RT Journal Article SR Electronic T1 Clinical trial registration: a statement from the International Committee of Medical Journal Editors JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 606 OP 607 DO 10.1503/cmaj.1041281 VO 171 IS 6 A1 De Angelis, Catherine A1 Drazen, Jeffrey M. A1 Frizelle, Frank A. A1 Haug, Charlotte A1 Hoey, John A1 Horton, Richard A1 Kotzin, Sheldon A1 Laine, Christine A1 Marusic, Ana A1 Overbeke, A. John P.M. A1 Schroeder, Torben V. A1 Sox, Hal C. A1 Van Der Weyden, Martin B. YR 2004 UL http://www.cmaj.ca/content/171/6/606.abstract