[Registration of clinical trials: a statement from the International Committee of Medical Journal Editors].
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R. Horton | J. Drazen | C. Deangelis | H. Sox | C. Laine | A. Marušić | F. Frizelle | A. Overbeke | J. Hoey | C. Haug | S. Kotzin | T. Schroeder | M. van der Weyden