TY  - BOOK
AU  - Sundar Rao, P.S.S.
AU  - Richard,J.
TI  - Introduction to biostatistics and research methods
SN  - 9788120345201
U1  - 570.15195 
PY  - 2012///
CY  - New Delhi 
PB  - PHI Learning
N1  - Includes  bibliographical references and index
ER  -