TY  - BOOK
AU  - Armitage, P.
AU  - Berry, G.
TI  - Statistical methods in medical research
SN  - 0632015012
AV  - R852 .A75 1971b
U1  - 519.502461 
PY  - 1987///
CY  - Oxford
PB  - Blackwell Scientific
KW  - Medicine
KW  - Research
KW  - Statistical methods
KW  - Biometry
KW  - Statistics
N1  - Includes bibliographical references and index
ER  -