title: Pitfalls of PPOs and HMOs from the private practice perspective.
mesh_terms: D000328:Adult; D005260:Female; D006279:Health Maintenance Organizations / Q000639:trends*; D006801:Humans; D007348:Insurance, Health / Q000639:trends*; D008145:Louisiana; D008297:Male; D008875:Middle Aged; D011243:Preferred Provider Organizations / Q000639:trends*; D011331:Private Practice / Q000639:trends*; D012017:Referral and Consultation / Q000639:trends