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Original Investigation |  FREE
Liat Ayalon, PhD; Kenneth E. Covinsky, MD, MPH
Arch Intern Med. 2009;169(22):2156-2161. doi:10.1001/archinternmed.2009.386.

Original Investigation |  FREE
Jorge R. Kizer, MD, MSc; David A. Zisman, MD; Nancy P. Blumenthal, MSN, CRNP; et al.
Arch Intern Med. 2004;164(5):551-556. doi:10.1001/archinte.164.5.551.

Review Article |  FREE
Harold R. Collard, MD; Talmadge E. King Jr, MD
Arch Intern Med. 2003;163(1):17-29. doi:10.1001/archinte.163.1.17.

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