title: Grim and grimmer. Medical groups see margins thin, says MGMA.
authors.forename: Michael
authors.initials: M
authors.lastname: Romano
mesh_terms: D003625:Data Collection; D004470:Economics, Medical / Q000706:statistics & numerical data / Q000639:trends*; D006123:Group Practice / Q000191:economics; D007182:Income / Q000706:statistics & numerical data / Q000639:trends*; D013038:Specialization; D014481:United States