TY  - BOOK
AU  - Armitage,P.
AU  - Berry,G.
AU  - Matthews,J.N.S.
TI  - Statistical methods in medical research
SN  - 9788126564811
U1  - 610.727 
PY  - 2002///
PB  - Wiley Blackwell
KW  - Medicine
KW  - Biometry
KW  - Research
ER  -