title: An invisible crisis: Pennsylvania's disappearing doctors.
authors: N
authors: N
authors: Rishel
mesh_terms: D006301:Health Services Needs and Demand; D006280:Health Workforce / Q000639:trends; D006801:Humans; D010414:Pennsylvania; D010820:Physicians / Q000600:supply & distribution*; D011365:Professional Practice Location / Q000191:economics / Q000331:legislation & jurisprudence / Q000639:trends