title: Seasonal occurrence of helminths in freshwater fishes. Part I. Monogenea.
mesh_terms: D000818:Animals; D003081:Cold Climate; D003530:Cyprinidae; D003889:Desert Climate; D005260:Female; D005393:Fish Diseases / Q000453:epidemiology* / Q000469:parasitology; D005399:Fishes; D005618:Fresh Water; D008297:Male; D010058:Oviposition; D012621:Seasons; D013696:Temperature; D014200:Trematoda / Q000502:physiology; D014201:Trematode Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*; D014329:Tropical Climate