TY - BOOK AU - Altman,Douglas G. TI - Practical statistics for medical research SN - 0412276305 AV - R853.S7 Al71 1991 U1 - 610/.72 20 PY - 1991/// CY - London, New York PB - Chapman and Hall KW - Medicine KW - Research KW - Statistical methods N1 - Includes bibliographical references (p. [575]-588) and index UR - http://www.loc.gov/catdir/enhancements/fy0646/91124890-d.html ER -