title: The characteristics of internists in three prepaid group practices.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001071:Appointments and Schedules; D002568:Certification; D004501:Education, Medical; D005260:Female; D006123:Group Practice; D006801:Humans; D007348:Insurance, Health; D007354:Insurance, Major Medical; D007388:Internal Medicine; D008297:Male; D008875:Middle Aged; D009017:Morbidity; D010820:Physicians / Q000706:statistics & numerical data; D011216:Practice Management, Medical; D012737:Sex Factors; D013997:Time Factors; D014481:United States; D000078329:Workforce