Medicine in the ghetto.
D001741:Black or African American / Q000266:history; D006076:Government; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D010548:Personal Health Services; D011822:Race Relations / Q000266:history; D012424:Rural Population; D012924:Social Conditions; D014481:United States; D014505:Urban Population