Nittaya Treamwattana. (1995) A study on the refinement of horse antivenom by salt fractionation and ion-exchange chromatography. Mahidol University,:ม.ป.ท.Nittaya Treamwattana. 1995. A study on the refinement of horse antivenom by salt fractionation and ion-exchange chromatography. ม.ป.ท.:Mahidol University,;Nittaya Treamwattana. A study on the refinement of horse antivenom by salt fractionation and ion-exchange chromatography. ม.ป.ท.:Mahidol University, 1995. Print.