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To obtain a copy of this paper, contact Natalie Raynor at the American Journal of Public Health at tel. 202-777-2511 or e-mail Natalie.Raynor@apha.org . Advance copies will be available to reporters only. THE PAPER IS EMBARGOED AND NOT FOR PUBLIC RELEASE BEFORE 4 P.M. EDT ON JULY 25. One of the authors of this paper, William Page from the Institute of Medicine in Washington, D.C., is available for interviews. Reporters can contact him at tel. 202-334-2828 or by e-mail at wpage@nas.edu .
American Journal of Public Health