TY  - BOOK
AU  - Armitage,P.
AU  - Berry,G.
AU  - Matthews,J.N.S.
TI  - Statistical methods in medical research
SN  - xi, 817 :
PY  - 2002///
CY  - Oxford
PB  - Blackwell
KW  - Medicine
KW  - Research
KW  - Statistical methods
ER  -