Rao, introduction to biostatistics and research methods.- P.S.S Sundar Rao and J. Richard - 3th ed.- - New Delhi : Prentice/Hall of india 2006 - xiii,262 p. : ill; 24cm ISBN: 9788120328761 Subjects--Topical Terms: BiometryForskningsmetodik LC Class. No.: R853.S7 / SUN 2006