Norton J. Greenberger, MD
Requests for Reprints: Norton J. Greenberger, MD, Department of Internal Medicine, University of Kansas Medical Center, 3901 Rainbow Boulevard, Kansas City, KS 66160; e-mail, email@example.com.
Greenberger NJ. Update in Gastroenterology. Ann Intern Med. ;131:445–452. doi: 10.7326/0003-4819-131-6-199909210-00010
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Published: Ann Intern Med. 1999;131(6):445-452.
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