Black elderly use of emergency services.
D001741:Black or African American / Q000523:psychology*; D000368:Aged; D003933:Diagnosis; D004632:Emergency Medical Services / Q000706:statistics & numerical data*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012017:Referral and Consultation; D014481:United States; D014505:Urban Population; D044465:White People / Q000523:psychology