title: Pittsburgh hospital sues partner in HMO venture.
authors: P J
authors: PJ
authors: Kenkel
mesh_terms: D006279:Health Maintenance Organizations / Q000331:legislation & jurisprudence*; D006754:Hospital Restructuring / Q000331:legislation & jurisprudence*; D007343:Insurance Carriers / Q000331:legislation & jurisprudence*; D010414:Pennsylvania