Drennan, Vari, Halter, Mary, Taylor, Francesca, Gabe, Jonathan and Jarman, Heather (2023) Non-medical practitioners in the staffing of emergency departments and urgent treatment centres in England : a mixed qualitative methods study of policy implementation. BMC Health Services Research, 23, p. 1221. ISSN (print) 1472-6963

Halter, Mary, Jarman, Heather, Moss, Phil, Kulnik, Stefan Tino, Baramova, Desislava, Gavalova, Lucia, Cole, Elaine, Crouch, Robert and Baxter, Mark (2023) Configurations and outcomes of acute hospital care for frail and older patients with moderate to major trauma : a systematic review. BMJ Open, 13(2), e066329. ISSN (online) 2044-6055

Taylor, Francesca, Drennan, Vari M., Halter, Mary, Allan, Helen T. and Collins, Linda (2022) Uptake of advanced clinical practice roles in the health service in England : perspectives at the micro level. SSM - Qualitative Research in Health, 2, p. 100141. ISSN (online) 2667-3215

Drennan, Vari M, Collins, Linda, Allan, Helen, Brimblecombe, Neil, Halter, Mary and Taylor, Francesca (2022) Are advanced clinical practice roles in England's National Health Service a remedy for workforce problems? A qualitative study of senior staff perspectives. Journal of Health Services Research & Policy, 27(2), pp. 96-105. ISSN (print) 1355-8196

Straughton, Kate, Roberts, Karen A, Watkins, Jeannie, Drennan, Vari M and Halter, Mary (2022) Physician associates in the UK : development, status, and future. JAAPA : official journal of the American Academy of Physician Assistants, 35(3), pp. 56-60. ISSN (print) 1547-1896

Renshaw, John, Halter, Mary and Quinn, Tom (2022) Protocol for a scoping review on the development of policy, guidelines and protocols within emergency medical services. British Paramedic Journal, 6(4), pp. 48-54. ISSN (online) 1478-4726

Laws, Samantha, Wang, Chao and Halter, Mary (2021) Knowledge, attitudes and practices of UK paramedics regarding pharmacology and the legal, management and administration aspects of medicines. In: College of Paramedics' National Conference 2021; 12 - 13 May 2021, Held Online. (Unpublished)

Drennan, Vari M. and Halter, Mary (2020) Building the evidence base : 10 years of physician assistant/associate research in England : a special article. Journal of the American Academy of Physician Assistants, 33(10), pp. 1-4. ISSN (print) 1547-1896

Mancell, Sara, Meyer, Rosan, Hind, Jonathan and Halter, Mary (2020) Factors impacting on eating in pediatric intestinal-transplant recipients : a mixed methods study. Nutrition in Clinical Practice, 35(5), pp. 919-926. ISSN (print) 0884-5336

Drennan, Vari M, Calestani, Melania, Taylor, Francesca, Halter, Mary and Levenson, Ros (2020) Perceived impact on efficiency and safety of experienced American physician assistants / associates in acute hospital care in England : findings from a multi-site case organisational study. JRSM Open, 11(10), ISSN (online) 2054-2704

Halter, Mary, Drennan, Vari, Wang, Chao, Wheeler, Carly, Gage, Heather, Nice, Laura, de Lusignan, Simon, Gabe, Jonathan, Brearley, Sally, Ennis, James, Begg, Philip and Parle, Jim (2020) Comparing physician associates and foundation year two doctors in training undertaking emergency medicine consultations in England : a mixed methods study of processes and outcomes. BMJ Open, 10, e037557. ISSN (online) 2044-6055

Laws, Samantha, Wang, Chao and Halter, Mary (2020) Knowledge, attitudes and practices of UK paramedics regarding pharmacology and the legal, management and administration aspects of medicines : a cross-sectional online quantitative survey. British Paramedic Journal, 5(2), pp. 1-9. ISSN (online) 1478-4726

Taylor, Francesca, Drennan, Vari M, Halter, Mary and Calestani, Melania (2020) Integration and retention of American physician assistants/associates working in English hospitals : a qualitative study. Health Policy, 124(5), pp. 525-530. ISSN (print) 0168-8510

Drennan, Vari, Taylor, Francesca and Halter, Mary (2020) Advanced Clinical Practice Roles in the NHS : panacea or challenge for workforce problems? In: HSR UK 2020; 01-04 July 2020, Online. (Unpublished)

McCarroll, Clare, van't Riet, Catherine and Halter, Mary (2020) How is the emerging role of domiciliary physiotherapists who treat residents with dementia in nursing homes perceived by allied health professionals? A phenomenological interview study. Health & Social Care in the Community, 28(1), pp. 279-290. ISSN (print) 0966-0410

Kulnik, Stefan Tino, Halter, Mary, Hilton, Ann, Baron, Aidan, Garner, Stuart, Jarman, Heather, Klaassen, Barry and Oliver, Emily (2019) Confidence and willingness among laypersons in the UK to act in a head injury situation : a qualitative focus group study. BMJ Open, 9(11), e033531. ISSN (online) 2044-6055

Drennan, Vari, Halter, Mary and Taylor, Francesca (2019) The development of advanced clinical practitioners in NHS organisations providing acute, community and emergency services in London : an evaluative interview study. (Project Report) Joint Faculty Kingston University & St. George’s University of London. 9 p. (Unpublished)

Taylor, Francesca, Halter, Mary and Drennan, Vari M (2019) Understanding patients' satisfaction with physician assistant/associate encounters through communication experiences : a qualitative study in acute hospitals in England. BMC Health Services Research, 19, p. 603. ISSN (online) 1472-6963

Drennan MBE, Vari M, Halter, Mary, Wheeler, Carly, Nice, Laura, Brearley, Sally, Ennis, James, Gabe, Jon, Gage, Heather, Levenson, Ros, de Lusignan, Simon, Begg, Phil and Parle, Jim (2019) The role of physician associates in secondary care the PA-SCER mixed-methods study. Health Services and Delivery Research, 7(19), ISSN (print) 2050-4349

Rutkowski, Krzysztof, Rahman, Yusof and Halter, Mary (2019) Development and feasibility of the use of an assessment tool measuring treatment efficacy in patients with trimethylaminuria : a mixed methods study. Journal of Inherited Metabolic Disease, 42(2), pp. 362-370. ISSN (print) 0141-8955

Drennan, Vari M, Halter, Mary, Wheeler, Carly, Nice, Laura, Brearley, Sally, Ennis, James, Gabe, Jonathan, Gage, Heather, Levenson, Ros, de Lusignan, Simon, Begg, Phil and Parle, James (2019) What is the contribution of physician associates in hospital care in England? A mixed methods, multiple case study. BMJ Open, 9(1), e027012. ISSN (online) 2044-6055

Clark, SJ, Halter, M, Porter, A, Smith, HC, Brand, M, Fothergill, R, Lindridge, SJ, McTigue, M and Snooks, H (2019) Using deterministic record linkage to link ambulance and emergency department data : is it possible without patient identifiers? International Journal of Population Data Science, 4(1), p. 20. ISSN (online) 2399-4908

Gavalova, Lucia, Halter, Mary, Snooks, Helen, Gale, Chris P., Weston, Clive, Watkins, Alan, Munro, Scott, Davies, Glenn, Hampton, Chelsey, Driscoll, Timothy, Rosser, Andy, Rees, Nigel, Black, Sarah and Quinn, Tom (2019) Use and impact of the prehospital 12-lead ECG in the primary PCI era (PHECG2) : protocol for a mixed-method study. Open Heart, 6(2), e001156. ISSN (online) 2053-3624

Halter, Mary, Joly, Louise, de Lusignan, Simon, Grant, Robert, Gage, Heather and Drennan, Vari (2018) Capturing complexity in clinician case-mix : classification system development using GP and Physician Associate data. BJGP Open, 2(1), ISSN (online) 2398-3795

Halter, Mary, Boiko, Olga, Pelone, Ferruccio, Beighton, Carole, Harris, Ruth, Gale, Julia, Gourlay, Stephen and Drennan, Vari (2017) The determinants and consequences of adult nursing staff turnover : a systematic review of systematic reviews. BMC Health Services Research, 17(824), ISSN (online) 1472-6963

Snooks, Helen A., Anthony, Rebecca, Chatters, Robin, Dale, Jeremy, Fothergill, Rachael T., Gaze, Sarah, Halter, Mary, Humphreys, Ioan, Koniotou, Marina, Logan, Phillipa, Lyons, Ronan A., Mason, Suzanne, Nicholl, Jon, Peconi, Julie, Phillips, Ceri, Porter, Alison, Siriwardena, Aloysius Niroshan, Wani, Mushtaq, Watkins, Alan, Wilson, Lynsey and Russell, Ian T. (2017) Paramedic assessment of older adults after falls, including community care referral pathway : cluster randomized trial. Annals of Emergency Medicine, 70(4), pp. 495-505. ISSN (print) 0196-0644

Halter, Mary, Drennan, Vari, Joly, Louise, Gabe, Jonathan, Gage, Heather and de Lusignan, Simon (2017) Patients' experiences of consultations with physician associates in primary care in England : a qualitative study. Health Expectations, 20(5), pp. 1011-1019. ISSN (print) 1369-6513

Halter, Mary, Pelone, Ferruccio, Boiko, Olga, Beighton, Carole, Harris, Ruth, Gale, Julia, Gourlay, Stephen and Drennan, Vari (2017) Interventions to reduce adult nursing turnover : a systematic review of systematic reviews. Open Nursing Journal, 11, pp. 108-123. ISSN (online) 1874-4346

Drennan, Vari M., Gabe, Jonathon, Halter, Mary, de Lusignan, Simon and Levenson, Ros (2017) Physician associates in primary health care in England : a challenge to professional boundaries? Social Science and Medicine, 181, pp. 9-16. ISSN (print) 0277-9536

Halter, Mary, Wheeler, Carly, Drennan, Vari M, de Lusignan, Simon, Grant, Robert, Gabe, Jonathan, Gage, Heather, Ennis, James and Parle, Jim (2017) Physician associates in England's hospitals : a survey of medical directors exploring current usage and factors affecting recruitment. Clinical Medicine, 17(2), pp. 126-131. ISSN (print) 1470-2118

Wheeler, Carly, Halter, Mary, Drennan, Vari M., de Lusignan, Simon, Grant, Robert, Gabe, Jonathan, Gage, Heather, Begg, Philip, Ennis, James and Parle, Jim (2017) Physician associates working in secondary care teams in England : interprofessional implications from a national survey. Journal of Interprofessional Care, 31(6), pp. 774-776. ISSN (print) 1356-1820

Drennan, Vari, Halter, Mary, Gale, Julia and Harris, Ruth (2016) Retaining nurses in metropolitan areas : insights from senior nurse and human resource managers. Journal Of Nursing Management, 24(8), pp. 1041-1048. ISSN (print) 0966-0429

Drennan, Vari, Gabe, Jonathan and Halter, Mary (2016) Physician Associates in General Practice in England : a challenge to professional boundaries. In: 16th Biennial Congress of the ESHMS : Healthy Lives : Technologies, Policies and Experiences; 27-29 Jun 2016, Geneva, Switzerland. (Unpublished)

de Lusignan, Simon, McGovern, Andrew P., Tahir, Mohammad Aumran, Hassan, Simon, Jones, Simon, Halter, Mary, Joly, Louise and Drennan, Vari M. (2016) Physician associate and general practitioner consultations : a comparative observational video study. PLoS One, 11(8), e0160902. ISSN (online) 1932-6203

Drennan, Vari M, Halter, Mary, Grant, Robert, Gale, Julia, Harris, Ruth and Gourlay, Stephen (2015) Adult nurse turnover and retention : South London project report. (Project Report) Faculty of Health, Social Care and Education, Kingston University and St George's, University of London. (Unpublished)

Koniotou, Marina, Evans, Bridie Angela, Chatters, Robin, Fothergill, Rachael, Garnsworthy, Christopher, Gaze, Sarah, Halter, Mary, Mason, Suzanne, Peconi, Julie, Porter, Alison, Siriwardena, A Niroshan, Toghill, Alun and Snooks, Helen (2015) Involving older people in a multi-centre randomised trial of a complex intervention in pre-hospital emergency care: implementation of a collaborative model. Trials, 16, p. 298. ISSN (online) 1745-6215

Drennan, V. M., Halter, M., Joly, L., Gage, H., Grant, R. L., Gabe, J., Brearley, S., Carneiro, W. and de Lusignan, S. (2015) Physician associates and GPs in primary care : a comparison. British Journal of General Practice, 65(634), e344-e350. ISSN (print) 0960-1643

Drennan, Vari M., Halter, Mary, Brearley, Sally, Carneiro, Wilfrid, Gabe, Jonathan, Gage, Heather, Grant, Robert, Joly, Louise and de Lusignan, Simon (2014) Investigating the contribution of physician assistants to primary care in England: a mixed-methods study. Health Services and Delivery Research, 2(16), ISSN (print) 2050-4349

Halter, Mary, Drennan, Vari, Chattopadhyay, Kaushik, Carneiro, Wilfred, Yiallouros, Jennifer, de Lusignan, Simon, Gage, Heather, Gabe, Jonathan and Grant, Robert (2013) The contribution of physician assistants in primary care: a systematic review. BMC Health Services Research, 13, p. 223. ISSN (online) 1472-6963

Snooks, Helen, Anthony, Rebecca, Chatters, Robin, Cheung, Wai-Yee, Dale, Jeremy, Donohoe, Rachael, Gaze, Sarah, Halter, Mary, Koniotou, Marina, Logan, Phillippa, Lyons, Ronan, Mason, Suzanne, Nicholl, Jon, Phillips, Ceri, Phillips, Judith, Russell, Ian, Siriwardena, A. Niroshan, Wani, Mushtaq, Watkins, Alan, Whitfield, Richard and Wilson, Lynsey (2012) Support and assessment for fall emergency referrals (SAFER 2) research protocol: cluster randomised trial of the clinical and cost effectiveness of new protocols for emergency ambulance paramedics to assess and refer to appropriate community-based care. BMJ Open, 2(6), e002169. ISSN (print) 2044-6055

Drennan, Vari, Levenson, Ros, Halter, Mary and Tye, Chris (2011) Physician assistants in English general practice: a qualitative study of employers' viewpoints. Journal of Health Services Research & Policy, 16(2), pp. 75-80. ISSN (print) 1355-8196

Halter, Mary, Vernon, Susan, Snooks, Helen, Porter, Alison, Close, Jacqueline, Moore, Fionna and Porsz, Simon (2011) Complexity of the decision-making process of ambulance staff for assessment and referral of older people who have fallen: a qualitative study. Emergency Medicine Journal, 28(1), pp. 44-50. ISSN (print) 1472-0205

Snooks, Helen A, Cheung, Wai-Yee, Gaze, Sarah A, Halter, Mary, Lyons, Ronan A, Phillips, Ceri J, Russell, Ian T and Siriwardena, Niro (2010) Falls prevention trial in 999 callers: paving the way for a definitive trial of referral by the ambulance service. [Response to: Logan Philippa A, Coupland C A C, Gladman J R F, Sahota O, Stoner-Hobbs V, Robertson K, Tomlinson V, Ward, M, Sach T and Avery A J, Community falls prevention for people who call an emergency ambulance after a fall: randomised controlled trial BMJ 2010; 340:c2102]. BMJ, 340, c2102. ISSN (print) 0959-8138

Halter, Mary and Ellison, George (2008) Evaluation of the emergency care practitioner role in London: a study of the processes and outcomes of clinical decision making. (Project Report) London, UK : Faculty of Health and Social Care Sciences, Kingston University and St George's, University of London. 198 p. ISBN 9780955832901

Halter, Mary, Marlow, Tom, Mohammed, Daryl and Ellison, George T.H. (2007) A patient survey of out-of-hours care provided by Emergency Care Practitioners. BMC Emergency Medicine, 7(4), ISSN (online) 1471-227X

Halter, M., Snooks, H., Close, J., Cheung, W. Y. and Moore, F. (2006) Older fallers : the risk and opportunity of ambulance non conveyance. In: Ambex 2005; 30 Jun - 02 Jul 2005, Harrogate, England.

Halter, Mary, Marlow, T, Tye, C and Ellison, G T H (2006) Patients' experiences of care provided by emergency care practitioners and traditional ambulance practitioners: a survey from the London Ambulance Service. Emergency Medicine Journal, 23(11), pp. 865-866. ISSN (print) 1472-0205

Halter, Mary, Marlow, T, Jackson, D, Moore, F and Postance, B (2006) Should emergency medical technicians be considered for the role of the emergency care practitioner? Emergency Medical Journal, 23(11), p. 888. ISSN (print) 1472-0205

Snooks, H, Halter, Mary, Palmer, Y, Booth, H and Moore, F (2005) Hearing half the message? a re-audit of the care of patients with acute asthma by emergency ambulance crews in London. Quality and Safety in Health Care, 14(6), pp. 455-458. ISSN (print) 1475-3898

Snooks, H A, Kearsley, N, Dale, J, Halter, Mary, Redhead, J and Foster, J (2005) Gaps between policy, protocols and practice: a qualitative study of the views and practice of emergency ambulance staff concerning the care of patients with non-urgent needs. Quality and Safety in Health Care, 14(4), pp. 251-257. ISSN (print) 1475-3898

Halter, Mary, Snooks, H, Close, J, Cheung, WY, Moore, F and Roberts, SE (2005) Emergency care of older people who fall: a missed opportunity. In: Ambex 2005; 30 Jun - 02 Jul 2005, Harrogate, England.

Halter, Mary, Marlow, T and Jackson, D (2005) Emergency care practitioners: impact of the new role. In: Ambex 2005; 30 Jun - 02 Jul 2005, Harrogate, U.K..

Snooks, H., Kearsley, N., Dale, J., Halter, M., Redhead, J. and Cheung, W. Y. (2004) Towards primary care for non-serious 999 callers: results of a controlled study of "treat and refer" protocols for ambulance crews. Quality and Safety in Health Care, 13(6), pp. 435-443. ISSN (print) 1475-3898

Snooks, H. A., Dale, J., Hartley-Sharpe, C. and Halter, M. (2004) On-scene alternatives for emergency ambulance crews attending patients who do not need to travel to the accident and emergency department: a review of the literature. Emergency Medicine Journal, 21(2), pp. 212-215. ISSN (print) 1472-0205

Close, Jacqueline C.T., Halter, Mary, Elrick, Alan, Brain, Geoffrey and Swift, Cameron G. (2002) Falls in the older population: a pilot study to assess those attended by London Ambulance Service but not taken to A&E. Age and Ageing, 31(6), pp. 488-489. ISSN (print) 0002-0729