title: Antigen fraction from Entamoeba histolytica strain HK9 for use in ELISA.
mesh_terms: D000818:Animals; D000941:Antigens / Q000302:isolation & purification*; D002458:Cell Fractionation; D004748:Entamoeba histolytica / Q000276:immunology*; D004797:Enzyme-Linked Immunosorbent Assay
chemical_list: D000941:Antigens