Social-psychological correlates of physician use by economically disadvantaged Negro urban residents.
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D000368:Aged; D001294:Attitude to Health; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D010820:Physicians; D011203:Poverty; D011593:Psychology, Social; D012494:Sampling Studies; D012737:Sex Factors; D014505:Urban Population