title: Hodgkin's disease: one entity or two?
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D005260:Female; D006689:Hodgkin Disease / Q000145:classification* / Q000175:diagnosis / Q000209:etiology / Q000276:immunology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012737:Sex Factors