TY - BOOK AU - Batavia, Mitch TI - Clinical research for health professionals - a user-friendly guide SN - 0750671939 U1 - WA 950 PY - 2001/// CY - Boston; Oxford PB - Butterworth-Heinemann KW - Medical Statistics KW - Medicine KW - Research KW - Statistical methods KW - Clinical medicine N1 - Includes bibliographical references and index ER -