TY  - BOOK
AU  - Armitage, P.
AU  - Berry, G.
AU  - Matthews, J. N. S.
TI  - Statistical methods in medical research
SN  - 9788126564811
U1  - 616.07 
PY  - 2017///
CY  - New Delhi
PB  - CBS Publishers and Distributors
ER  -