title: Lymphocyte proliferative enhancing or inhibiting factors released by four human myeloid cell lines.
mesh_terms: D002455:Cell Division; D002460:Cell Line; D006801:Humans; D007938:Leukemia / Q000473:pathology / Q000503:physiopathology*; D008213:Lymphocyte Activation; D008214:Lymphocytes / Q000166:cytology*; D008223:Lymphoma / Q000473:pathology / Q000503:physiopathology*