title: Seasonal influence on the production of Schistosoma haemotobium and S. mansoni cercariae in Rhodesia.
mesh_terms: D000818:Animals; D001700:Biomphalaria / Q000469:parasitology; D002033:Bulinus / Q000469:parasitology; D012548:Schistosoma haematobium / Q000254:growth & development*; D012550:Schistosoma mansoni / Q000254:growth & development*; D012621:Seasons; D013696:Temperature; D015030:Zimbabwe