WHO,. PUBLIC HEALTH RESPONSE TO BIOLOGICAL & CHEMICAL WEAPONS / Textual Documents NULL. - NULL : ALL INDIA TEXT BOOKS SUPP. (A.T.T.B.S) , 2006. - 340 : : XIX ; ; A4 . + PB. PSM ISBN: 8174733191 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / WHO