title: Seasonal variations in the populations of two hemiurid trematodes from the Pacific staghorn sculpin, Leptocottus armatus Girard, in an Oregon estuary.
mesh_terms: D000818:Animals; D005393:Fish Diseases / Q000453:epidemiology* / Q000469:parasitology; D005399:Fishes; D009922:Oregon; D011153:Population; D012621:Seasons; D012623:Seawater / Q000032:analysis; D014200:Trematoda / Q000033:anatomy & histology; D014201:Trematode Infections / Q000453:epidemiology / Q000469:parasitology / Q000662:veterinary*