title: U.S. National Cancer Institute working formulation of non-Hodgkin's lymphomas for clinical use.
mesh_terms: D001706:Biopsy; D002965:Classification / Q000379:methods; D002986:Clinical Trials as Topic; D006801:Humans; D008221:Lymphoid Tissue / Q000473:pathology; D008223:Lymphoma / Q000145:classification*; D009316:National Institutes of Health (U.S.); D012189:Retrospective Studies; D009626:Terminology as Topic; D014481:United States