'Survival of the fittest' the rule for California IPAs.
D002140:California; D017598:Efficiency, Organizational; D006279:Health Maintenance Organizations / Q000191:economics / Q000639:trends; D006749:Hospital Design and Construction / Q000639:trends; D007193:Independent Practice Associations / Q000191:economics* / Q000458:organization & administration; D011445:Prospective Payment System / Q000331:legislation & jurisprudence