Rao, P.S.S. Sundar . Introduction to biostatistics and research methods / by P.S.S. Sunder Rao and J. Richard. - New Delhi : Prentice-Hall of India Private Limited , 2006 - 262p ; ISBN: 978-81-203-2876-1 Subjects--Topical Terms: Biostatistics Dewey Class. No.: G:(B288) / P6