title: Digenetic trematodes of fish from the Volta River drainage system in Ghana prior to the construction of the Volta dam at Akosombo in May 1964.
mesh_terms: D000818:Animals; D005260:Female; D005393:Fish Diseases / Q000453:epidemiology*; D005399:Fishes; D005869:Ghana; D008297:Male; D014200:Trematoda / Q000033:anatomy & histology / Q000145:classification* / Q000302:isolation & purification; D014201:Trematode Infections / Q000209:etiology / Q000662:veterinary*