TY - BOOK AU - Armitage,P. TI - Statistical Methods in Medical Research SN - 0632054301 AV - R852 .A75 1971b U1 - 610.727 23 PY - 1971/// CY - Oxford PB - Blackwell Scientific KW - Medicine KW - Research KW - Statistical methods KW - Biometry KW - Statistics N1 - Bibliography: p. 478-485 ER -