PARK, K . PARK`S TEXT BOOK OF PREVENTIVE & SOCIAL MEDICINE / Textual Documents NULL. - 20 / . - NULL : BANARSIDAS BHANOT , 2009. - 831 : XXIV ; A4 . PSM ISBN: 9788190607940 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / PAR