The evolution of public medical care in Baltimore City.
D049669:History, 16th Century; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D007348:Insurance, Health / Q000266:history*; D008396:Maryland; D008489:Medical Indigency / Q000266:history*; D010817:Physician-Patient Relations; D011634:Public Health / Q000266:history*; D012943:Social Security / Q000266:history*; D012946:Social Welfare