RATAN, V . VIVA IN PREVENTIVE & SOCIAL MEDICINE : HYGIENCE & PUBLIC HEALTH / Textual Documents NULL. - 4 / . - NULL : JAYPEE BROTHERS MEDICAL PUB. , 2005. - 143 : XX ; NULL . PSN ISBN: 8171797857 85.00 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / RAT