INDRAYAN A. BASIC METHODS OF MEDICAL RESEARCH Textual Documents - 3. - ALL INDIA TEXT BOOKS SUPP. (A.T.T.B.S) 2013 - 410: VI; PB. ISBN: 9788174733351 Subjects--Index Terms: PREVENTIVE SOCIAL MEDICINE(EPIDEMIOLOGY) Dewey Class. No.: 614.4 / IND