title: Malignant tumors in a predominantly black hospital. A 20-year retrospective study at Freedmen's hospital, Washington, D.C.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D044383:Black People; D002648:Child; D002675:Child, Preschool; D004219:District of Columbia; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D009369:Neoplasms / Q000453:epidemiology*; D012189:Retrospective Studies; D001741:Black or African American