TY - BOOK AU - Spilker,Bert AU - Schoenfelder,John TI - Data collection forms in clinical trials SN - 0881677493 AV - R853.C55 S63 1991 U1 - 616/.072 20 PY - 1991/// CY - New York PB - Raven Press KW - Clinical trials KW - Forms KW - Health surveys KW - Clinical Trials as Topic KW - Data Collection KW - mesh N1 - Includes bibliographical references and index ER -