The pitfalls of clinical research.

Publications Committee: Warren 0. Nelson (Chairman), Edward W. Dempsey, Roy 0. Creep, Roy G. Hoskins, E. Perry McCullagh, Willard 0. Thompson. Editorial Board: Willard M. Allen, R. M. Archibald, C. L. Buxton, Robert A. Cleghorn, Frank L. Engel, Ray F. Farquharson, Thomas F. Gallagher, Samuel F. Haines, Edwin C. Hamblen, Norris J. Heckel, Roy G. Hoskins, John E. Howard, Laurance W. Kinsell, Harold L. Mason, E. Perry McCullagh, Warren 0. Nelson, Leo T. Samuels, Randall G. Sprague, George W. Thorn, Lawson Wilkins. Managing Editor: Willard 0. Thompson.