title: Medicare Payments and Physician Sex in Ophthalmology.
authors.affiliation: Wheaton Eye Clinic Ltd, Wheaton, Illinois.
authors.forename: Ruth D
authors.initials: RD
authors.lastname: Williams
mesh_terms: D005102:Health Expenditures; D006278:Medicare; D009885:Ophthalmology; D010820:Physicians; D014481:United States