TY - BOOK AU - Altman,Douglas G. TI - Practical statistics for medical research SN - 0412276305 (alk. paper) AV - R853.S7 A48 1999 U1 - 610/.7/27 21 PY - 1999/// CY - Boca Raton, Fla. PB - Chapman & Hall/CRC KW - Medicine KW - Research KW - Statistical methods N1 - Originally published: London : Chapman & Hall, 1991; Includes bibliographical references (p. [575]-588) and index ER -