TY - BOOK AU - Selvin,Steve TI - Practical biostatistical methods SN - 0534238025 (alk. paper) U1 - 610.15195 23 PY - 1995/// CY - Belmont, Calif., USA PB - Duxbury Press KW - Medicine KW - Research KW - Statistical methods KW - Biometry KW - methods N1 - Includes bibliographical references and index ER -