title: The yield of new problems found during periodic health examinations of impoverished patients.
mesh_terms: D000328:Adult; D000368:Aged; D001071:Appointments and Schedules; D003933:Diagnosis; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008489:Medical Indigency; D008875:Middle Aged; D010808:Physical Examination / Q000191:economics*; D012189:Retrospective Studies