TY - BOOK AU - Chow,Shein-Chung AU - Liu,Jen-Pei TI - Design and analysis of clinical trials: concept and methodologies SN - 047113404X PY - 1998/// CY - New York PB - John Wiley & Sons KW - Clinical trials KW - Methodology KW - Statistical methods N1 - Includes bibliographical references and index; Buku bacaan asas fakulti ER -