title: Effects of some physico-chemical factors on the infection of Biomphalaria glabrata (Say) by miracidia of Schistosoma mansoni Sambon in St. Lucia, West Indies.
mesh_terms: D000818:Animals; D001700:Biomphalaria; D004463:Ecology; D005618:Fresh Water; D006863:Hydrogen-Ion Concentration; D012492:Salts / Q000032:analysis; D012550:Schistosoma mansoni / Q000254:growth & development*; D014867:Water / Q000032:analysis; D014900:West Indies
chemical_list: D012492:Salts; D014867:Water