TY  - BOOK
AU  - Armitage,P
AU  - G Berry,
AU  -  J. N. S Mathews
TI  - Statistical method in medical research
SN  - 978-0-6320-5257-8
AV  - R852.A75 
PY  - 2002///
CY  - Massachussetts.
PB  -  : Blackwell.
KW  - Medical research
KW  -  Statistical methods
N1  - Includes bibliographical references
ER  -