title: Physician networks and their implications for competition in health care markets.
authors.affiliation: Economics Department, Smith College, Northamptom, MA 01063, USA.
authors.forename: D
authors.initials: D
authors.lastname: Haas-Wilson
authors.forename: M
authors.initials: M
authors.lastname: Gaynor
mesh_terms: D016363:Antitrust Laws; D019058:Community Networks / Q000191:economics / Q000331:legislation & jurisprudence*; D004465:Economic Competition / Q000331:legislation & jurisprudence; D017598:Efficiency, Organizational; D019981:Health Care Sector / Q000331:legislation & jurisprudence*; D006801:Humans; D007193:Independent Practice Associations / Q000191:economics / Q000331:legislation & jurisprudence*; D014481:United States