Archives of internal medicine. 1998 Dec 7;158(22):2515. DOI:
Archives of internal medicine. 2008 Apr 14;168(7):773; author reply 773-4. DOI:10.1001/archinte.168.7.773-a
Archives of internal medicine. 2008 Apr 14;168(7):772-3. DOI:10.1001/archinte.168.7.772
Archives of internal medicine. 2008 Apr 14;168(7):771-2. DOI:10.1001/archinte.168.7.771
Archives of internal medicine. 2008 Apr 14;168(7):763-70. DOI:10.1001/archinte.168.7.763