TI - INdex to advertisers PT - JOUR DP - 1997 TA - Archives of Internal Medicine pages = {NP}, VI - 157 IP - 22 AID - 10.1001/archinte.1997.00440430198037 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1997.00440430198037 SO - Archives of Internal Medicine December 8, 1997 157(22):NP