title: Skin test potency in guinea pigs of Entamoeba histolytica antigen (histolyticin) prepared from axenically cultivated amebas.
mesh_terms: D000818:Animals; D000941:Antigens; D003470:Culture Media; D004748:Entamoeba histolytica / Q000276:immunology*; D006168:Guinea Pigs; D006736:Horses; D011817:Rabbits; D012882:Skin Tests
chemical_list: D000941:Antigens; D003470:Culture Media