TI - ARchives cme PT - JOUR DP - 1999 TA - Archives of Internal Medicine pages = {2229-2230}, VI - 159 IP - 18 AID - 10.1001/archinte.159.18.2229 [doi] 4100 - http://dx.doi.org/10.1001/archinte.159.18.2229 SO - Archives of Internal Medicine October 11, 1999 159(18):2229