title: The revised European-American lymphoma (REAL) classification.
authors.forename: P G
authors.initials: PG
authors.lastname: Isaacson
mesh_terms: D002986:Clinical Trials as Topic; D005060:Europe; D006801:Humans; D008223:Lymphoma / Q000145:classification*; D011446:Prospective Studies; D012189:Retrospective Studies; D014481:United States