Managed care: a ball control game.
Blythe
J G
JG
Department of Obstetrics and Gynecology, St. John's Mercy Medical Center, St. Louis, MO 63141-8277, USA.
D005260:Female; D006176:Gynecology / Q000191:economics / Q000458:organization & administration*; D006279:Health Maintenance Organizations / Q000191:economics / Q000458:organization & administration / Q000592:standards; D006801:Humans; D008329:Managed Care Programs / Q000191:economics / Q000458:organization & administration* / Q000592:standards; D009774:Obstetrics / Q000191:economics / Q000458:organization & administration*; D011247:Pregnancy; D014481:United States