title: Studies on the pathogenicity of various strains of Entamoeba histolytica after prolonged cultivation, with observations on strain differences in the rats employed.
mesh_terms: D000562:Amebiasis; D000818:Animals; D001431:Bacteriological Techniques; D002432:Cecum; D004748:Entamoeba histolytica / Q000472:pathogenicity*; D006386:Hemagglutination Tests; D006801:Humans; D066298:In Vitro Techniques; D051381:Rats