title: [Some data on primary malignant double tumors (registered at the University Cancer Center in Utrecht, from 1953-1970)].
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary
vernacular_title: Enkele gegevens over primaire maligne dubbeltumoren (geregistreerd door het Universitair Kankercentrum te Utrecht, van 1953-1970.