Bhattacharya, Susmita. Epidemiology : principles and practice / Susmita Bhattacharya. - New Delhi : Jaypee, 2010. - 128 p. : ill. ; 22 cm. ISBN: 9788184489248 RM52.36 Subjects--Topical Terms: Epidemiologic Methods.Epidemiology. National Library of Medicine Call No.: WA950 / .B575e 2010 9HUKM