The sizable homeless population: a growing challenge for medicine.
D000328:Adult; D002648:Child; D005260:Female; D006296:Health Services / Q000600:supply & distribution*; D006801:Humans; D008297:Male; D008489:Medical Indigency; D008605:Mental Health Services / Q000600:supply & distribution; D009017:Morbidity; D014171:Transients and Migrants; D014481:United States