PT - JOURNAL ARTICLE AU - Korcok, M. TI - American HMOs: the skeptics may have been wrong DP - 1984 Aug 15 TA - Canadian Medical Association Journal PG - 367--369 VI - 131 IP - 4 4099 - http://www.cmaj.ca/content/131/4/367.short 4100 - http://www.cmaj.ca/content/131/4/367.full SO - CMAJ1984 Aug 15; 131