TY - BOOK AU - Cohen,Adam AU - Posner,John TI - A guide to clinical drug research SN - 0792335082 (HB : alk. paper) AV - RM301.27 .G85 1995 U1 - 615/.19 20 PY - 1995/// CY - Dordrecht, Boston PB - Kluwer Academic Publishers KW - Drugs KW - Research KW - Clinical Trials KW - methods KW - Research Design N1 - Includes bibliographical references and index ER -