title: The shredding pattern of three little known African schistosomes under outdoor conditions.
mesh_terms: D000818:Animals; D002033:Bulinus / Q000469:parasitology; D012547:Schistosoma; D012548:Schistosoma haematobium; D012621:Seasons; D012908:Snails / Q000469:parasitology*; D013019:South Africa