title: Taxonomy, prevalence, and experimental transmission of a protozoan parasite, Trichodina oviducti Polyanskii (Ciliata: Peritrichida) of the thorny skate, Raja radiata Donovan.
mesh_terms: D000818:Animals; D016798:Ciliophora / Q000145:classification / Q000166:cytology / Q000302:isolation & purification; D004463:Ecology; D005260:Female; D005393:Fish Diseases / Q000453:epidemiology / Q000382:microbiology*; D005399:Fishes; D008297:Male; D009523:Newfoundland and Labrador; D011528:Protozoan Infections / Q000453:epidemiology / Q000209:etiology; D011529:Protozoan Infections, Animal