DETELS, R . OXFORD TEXT BOOK OF PUBLIC HEALTH VOL-1(SCOPE OF PUB. HEALTH) / Textual Documents NULL. - 5 / . - NULL : OXFORD UNIVERSITY , 2009. - 391 : : XXIV ; ; A4 . . PSM ISBN: 9780199579433 5000.00 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / DET/BEA