TY  - BOOK
AU  - Elston, Robert C.
AU  - Johnson, William D. 
TI  - Essentials of biostatistics / 
SN  - 98130477399
U1  - FOR 574.015 El1e 1995 
PY  - 1995///
CY  - Singapore
PB  - Info Access & Distribution Pte Ltd., 
KW  - Biostatistics.
N1  - Includes index.
ER  -