title: The mixed leukocyte reaction in the toad Xenopus laevis: a family study.
mesh_terms: D000818:Animals; D007111:Immunity, Cellular; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000166:cytology; D014316:Tritium; D014981:Xenopus / Q000276:immunology*
chemical_list: D014316:Tritium; D013936:Thymidine