Smit, Nico J., Joubert, Adri, Lawton, Scott P., Hayes, Polly M. and Cook, Courtney A. (2020) Morphological and molecular characterization of an African freshwater fish trypanosome, including its development in a leech vector. International Journal for Parasitology, ISSN (print) 0020-7519

Hayes, Polly M. and Smit, Nico J. (2019) Molecular insights into the identification and phylogenetics of the cosmopolitan marine fish blood parasite, 'Haemogregarina bigemina' (Adeleorina : Haemogregarinidae). International Journal for Parasitology : Parasites and Wildlife, 8, pp. 216-220. ISSN (online) 2213-2244

Hayes, Polly M., Lawton, Scott P., Smit, Nico J., Gibson, Wendy C. and Davies, Angela J. (2014) Morphological and molecular characterization of a marine fish trypanosome from South Africa, including its development in a leech vector. Parasites & Vectors, 7(50), ISSN (print) 1756-3305

Hayes, Polly M., Wertheim, David F., Smit, Nico J., Seddon, Alan M. and Davies, Angela J. (2011) Three-dimensional visualisation of developmental stages of an apicomplexan fish blood parasite in its invertebrate host. Parasites & Vectors, 4, ISSN (online) 1756-3305

Hayes, P M, Smit, N J, Grutter, A S and Davies, A J (2011) Unexpected response of a captive blackeye thicklip, 'Hemigymnus melapterus' (Bloch), from Lizard Island, Australia, exposed to juvenile isopods 'Gnathia aureamaculosa' Ferreira & Smit. Journal Of Fish Diseases, 34(7), pp. 563-566. ISSN (print) 0140-7775

Hayes, P M, Smit, N J and Davies, A J (2007) Pathology associated with parasitic juvenile gnathiids feeding on the puffadder shyshark, Haploblepharus edwardsii (Voight). Journal Of Fish Diseases, 30(1), pp. 55-58. ISSN (print) 0140-7775

Hayes, Polly May (2007) Gnathiids, leeches and blood protozoans of marine fishes: morphological, pathological, developmental and molecular approaches. (PhD thesis), Kingston University, .