TY - BOOK AU - Nguyen, Khac Vien TI - Chemical warfare T2 - Vietnamese studies, 29 PY - 1971/// CY - Hanoi KW - CW KW - environmental damage KW - herbicides KW - USA KW - Viet Nam KW - chemical agents KW - contamination KW - population KW - health KW - diseases KW - survey KW - defoliants N1 - 'International Conference of Scientists on U.S. Chemical Warfare in Viet Nam', held in Orsay (Paris), Dec 12-14, 1970 ER -