title: Long-term lymphoid cell cultures.
mesh_terms: D000375:Aging; D002460:Cell Line; D002470:Cell Survival; D002478:Cells, Cultured; D003584:Cytological Techniques; D004798:Enzymes / Q000097:blood; D006801:Humans; D007136:Immunoglobulins / Q000096:biosynthesis; D007621:Karyotyping; D008214:Lymphocytes / Q000166:cytology* / Q000201:enzymology / Q000276:immunology
chemical_list: D004798:Enzymes; D007136:Immunoglobulins