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Perspective | 
Rita F. Redberg, MD, MSc
JAMA Intern Med. 2013;173(19):1769. doi:10.1001/jamainternmed.2013.9279.

Clinical Observation | 
Nicholas A. Tritos, MD; Pamela Hartzband, MD
Arch Intern Med. 1999;159(13):1495-1498. doi:10.1001/archinte.159.13.1495.

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