title: Attempts to produce cytolytically active cell hybrids using EL4 and MLC spleen.
mesh_terms: D002459:Cell Fusion; D002460:Cell Line; D003602:Cytotoxicity, Immunologic; D006822:Hybrid Cells / Q000276:immunology*; D013154:Spleen / Q000166:cytology; D013601:T-Lymphocytes; D013945:Thymoma