title: Earnings make a huge breakthrough.
authors: A
authors: A
authors: Owens
mesh_terms: D000367:Age Factors; D003625:Data Collection; D004470:Economics, Medical; D005843:Geography; D006801:Humans; D007182:Income / Q000706:statistics & numerical data*; D011362:Professional Corporations / Q000191:economics; D011364:Professional Practice / Q000145:classification; D013038:Specialization; D011795:Surveys and Questionnaires; D013997:Time Factors; D014481:United States