Health manpower and Negro health: the Negro physician.
D001741:Black or African American; D003815:Dentists / Q000600:supply & distribution; D004501:Education, Medical; D005260:Female; D006281:Health Occupations / Q000193:education*; D006306:Health Surveys; D006280:Health Workforce / Q000706:statistics & numerical data; D006801:Humans; D008297:Male; D009726:Nurses; D010820:Physicians; D013337:Students, Medical