TI - COrrection PT - JOUR DP - 1989 TA - Archives of Internal Medicine pages = {940}, VI - 149 IP - 4 AID - 10.1001/archinte.1989.00390040136030 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1989.00390040136030 SO - Archives of Internal Medicine April 1, 1989 149(4):940