TY - BOOK AU - Hennekens,Charles H. AU - Buring,Julie E. AU - Mayrent,Sherry L. TI - Epidemiology in medicine SN - 0316356360 (pbk) AV - RA652.4 U1 - 614.4 19 PY - 1987/// PB - Little, Brown KW - Epidemiology KW - Man KW - Diseases KW - Methodology ER -