title: Genetic studies on fresh water snails specific intermediate hosts for schistosomiasis--II. isolation and base composition determination of deoxyribonucleic acid.
mesh_terms: D000818:Animals; D001482:Base Composition; D001700:Biomphalaria / Q000235:genetics*; D002033:Bulinus / Q000235:genetics*; D004247:DNA / Q000302:isolation & purification*; D008195:Lymnaea / Q000235:genetics*
chemical_list: D004247:DNA