RAO, B . S. PRINCIPLES OF COMMUNITY MEDICINE / Textual Documents NULL. - 4ED / . - NULL : ALL INDIA TEXT BOOKS SUPP. (A.T.T.B.S) , 2007. - 627 : : XVI ; ; A4 . + PB. PSM ISBN: 8174731709 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / RAO