DETELS, R . OXFORD TEXT BOOK OF PUBLIC HEALTH VOL-3(THE PRACTICE OF PUBLIC HEALTH) / Textual Documents NULL. - 5 / . - NULL : OXFORD UNIVERSITY , 2009. - 955-1730 38 : : XV ; ; A4 . . PSM ISBN: 9780199579457 5000.00 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE Dewey Class. No.: 614 / DET/BEA