Resistance of Bulinus (Physopsis) nasutus productus to infection by Schistosoma haematovium.
D000367:Age Factors; D000818:Animals; D004199:Disease Vectors; D007109:Immunity; D007753:Laboratories; D012547:Schistosoma / Q000472:pathogenicity; D012908:Snails; D013045:Species Specificity