TY - JOUR T1 - Controlling health care costs a costly business for HMOs in US JF - Canadian Medical Association Journal JO - CMAJ SP - 399 LP - 399 VL - 159 IS - 4 AU - M. Korcok Y1 - 1998/08/25 UR - http://www.cmaj.ca/content/159/4/399.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -