Some ecological differentials in the use of medical services.
D001741:Black or African American; D002410:Catholicism; D002835:Christianity; D003815:Dentists / Q000706:statistics & numerical data; D004463:Ecology; D004522:Educational Status; D005843:Geography; D006761:Hospitals / Q000706:statistics & numerical data; D007182:Income; D007585:Jews; D009820:Ohio; D010548:Personal Health Services / Q000706:statistics & numerical data*; D010820:Physicians / Q000706:statistics & numerical data; D012959:Socioeconomic Factors