title: Free of charge. Advertising, data sales subsidize EMR products.
authors.forename: Joseph
authors.initials: J
authors.lastname: Conn
mesh_terms: D000555:Ambulatory Care Information Systems / Q000191:economics; D019981:Health Care Sector; D040541:Marketing / Q000379:methods*; D016347:Medical Records Systems, Computerized / Q000191:economics; D011216:Practice Management, Medical; D014481:United States