title: An investigation of the interactions of some factors influencing the infectivity of Schistosoma mansoni miracidia to Biomphalaria glabrata.
mesh_terms: D000818:Animals; D001700:Biomphalaria; D004463:Ecology; D006863:Hydrogen-Ion Concentration; D012044:Regression Analysis; D012492:Salts / Q000032:analysis; D012550:Schistosoma mansoni; D014867:Water / Q000032:analysis
chemical_list: D012492:Salts; D014867:Water