title: Racial disparities--the need for research and action.
authors.forename: Risa
authors.initials: R
authors.lastname: Lavizzo-Mourey
authors.forename: James R
authors.initials: JR
authors.lastname: Knickman
mesh_terms: D019645:Arthroplasty, Replacement, Knee / Q000706:statistics & numerical data; D005006:Ethnicity; D005260:Female; D005843:Geography; D006296:Health Services / Q000706:statistics & numerical data; D006297:Health Services Accessibility; D006302:Health Services Research; D006801:Humans; D008297:Male; D044469:Racial Groups; D014481:United States