James, Ricky (2017) Portals to prohibited performance enhancing drugs : prevelance, profiling & team dynamics. (PhD thesis), Kingston University, .

Petroczi, Andrea, Ocampo, Jorge A Vela, Shah, Iltaf, Jenkinson, Carl, New, Rachael, James, Ricky A, Taylor, Glenn and Naughton, Declan P (2015) Russian roulette with unlicensed fat-burner drug 2,4-dinitrophenol (DNP) : evidence from a multidisciplinary study of the internet, bodybuilding supplements and DNP users. Substance Abuse Treatment, Prevention, and Policy, 10(39), ISSN (online) 1747-597X

Vargo, Elisabeth Julie, James, Ricky A., Agyeman, Kofi, MacPhee, Thomas, McIntyre, Ross, Ronca, Flaminia and Petroczi, Andrea (2014) Perceptions of assisted cognitive and sport performance enhancement among university students in England. Performance Enhancement & Health, 3(2), pp. 66-77. ISSN (print) 2211-2669

James, Ricky, Nepusz, Tamas, Naughton, Declan P and Petroczi, Andrea (2013) A potential inflating effect in estimation models : cautionary evidence from comparing performance enhancing drug and herbal hormonal supplement use estimates. Psychology of Sport and Exercise, 14(1), pp. 84-96.