TY - BOOK AU - Lachin, John M TI - Biostatistical methods: The assessment of relative risks T2 - Wiley series in probability and statistics SN - 0-471-36996-9 U1 - 610.72/LAC PY - 2000/// CY - New York PB - John Wiley KW - Medicine-Research-Statistical methods KW - Health risk assessment-Statistical methods KW - Medical statistics KW - Medical sciences KW - Technology ER -