Sundar Rao, P S S; Richard, J Introduction to biostatistics and research methods / Sundar Rao, P S S; Richard, J - 4 ed. - Prentice - Hall of India Pvt. Ltd., New Delhi, 2006 - p. ; 22 cm. ISBN: 9788120345201 Subjects--Topical Terms: Biostatistics; Biometrics Dewey Class. No.: 570.15195 SUN-I4