TI - REprint request address PT - JOUR DP - 1979 TA - Archives of Internal Medicine pages = {69}, VI - 139 IP - 1 AID - 10.1001/archinte.1979.03630380049017 [doi] 4100 - http://dx.doi.org/10.1001/archinte.1979.03630380049017 SO - Archives of Internal Medicine January 1, 1979 139(1):69