TY - BOOK AU - Armitage,P. TI - Statistical methods in medical research SN - 0632054301 U1 - 610.72 PY - 1971/// [ Reprint 1977] CY - Oxford PB - Blackwell Scientific KW - Medicine KW - Research KW - Statistical methods KW - Biometry KW - Statistics N1 - Bibliography: p. 478-485 ER -