title: Studies in schistosomiasis in Sierra Leone. II. Seasonal fluctuation in the population density of Bulinus (Physopsis) globosus and Bulinus forskalii in a schistosomiasis endemic town in Sierra Leone.
mesh_terms: D000818:Animals; D001522:Behavior, Animal; D002033:Bulinus; D004197:Disease Reservoirs; D004199:Disease Vectors; D004463:Ecology; D005618:Fresh Water; D008975:Molluscacides; D011156:Population Density; D012552:Schistosomiasis / Q000453:epidemiology* / Q000517:prevention & control; D012621:Seasons; D012807:Sierra Leone; D013696:Temperature; D014887:Weather
chemical_list: D008975:Molluscacides