Entamoeba histolytica Ab:Titr:Pt:Ser:SemiQn:Comp fix
entamoeba histolytica ab:titr:pt:ser:semiqn:comp fix
Entamoeba histolytica Ab [Titer] in Serum by Complement fixation
entamoeba histolytica ab [titer] in serum by complement fixation