AU - Levine M FAU - Levine, Mitchell AU - Ioannidis J FAU - Ioannidis, John P. A. AU - Haines A FAU - Haines, Alfred Theodore AU - Guyatt G FAU - Guyatt, Gordon AU - Guyatt G FAU - Guyatt, Gordon AU - Rennie D FAU - Rennie, Drummond AU - Meade M FAU - Meade, Maureen O. AU - Cook D FAU - Cook, Deborah J. TI - Harm (Observational Studies) PT - BOOK SECTION DP - 2015 BTI - Users' Guides to the Medical Literature: A Manual for Evidence-Based Clinical Practice, 3rd ed DA - 2015 Y2 - 2024/10/13 UR - jamaevidence.mhmedical.com/content.aspx?aid=1183876854