TY - BOOK AU - Schulz,Kenneth F. AU - Grimes,David A. TI - The Lancet handbook of essential concepts in clinical research SN - 9780080448664 PY - 2006/// CY - Edinburgh PB - Elsevier KW - Clinical medicine KW - Research KW - Clinical trials KW - Medicine KW - Biomedical Research KW - Clinical Trials as Topic KW - methods KW - standards KW - Research Design N1 - Includes bibliographical references and index ER -