Sit Thirapakpoomanunt. (1993) A study on the pepsin digestion of the horse anti-snake venom. Mahidol University,:ม.ป.ท.Sit Thirapakpoomanunt. 1993. A study on the pepsin digestion of the horse anti-snake venom. ม.ป.ท.:Mahidol University,;Sit Thirapakpoomanunt. A study on the pepsin digestion of the horse anti-snake venom. ม.ป.ท.:Mahidol University, 1993. Print.