The effects of change in method of paying physicians: the Baltimore experience.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D003153:Community Health Services; D003365:Costs and Cost Analysis; D004470:Economics, Medical; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007348:Insurance, Health; D008297:Male; D008396:Maryland; D008489:Medical Indigency; D008875:Middle Aged; D010594:Pharmacies; D012946:Social Welfare