Nongnit Teerawatanasuk. (1992) Collection and Preparation of vespid venom for skin diagnostic test in vespid sting allergic patients. Mahidol University,:ม.ป.ท.Nongnit Teerawatanasuk. 1992. Collection and Preparation of vespid venom for skin diagnostic test in vespid sting allergic patients. ม.ป.ท.:Mahidol University,;Nongnit Teerawatanasuk. Collection and Preparation of vespid venom for skin diagnostic test in vespid sting allergic patients. ม.ป.ท.:Mahidol University, 1992. Print.