Cellular immune competence in the human fetus.
D005333:Fetus / Q000276:immunology*; D005865:Gestational Age; D006801:Humans; D007111:Immunity, Cellular; D007959:Lymphocyte Culture Test, Mixed; D008214:Lymphocytes / Q000276:immunology / Q000528:radiation effects; D013936:Thymidine / Q000378:metabolism; D013950:Thymus Gland / Q000166:cytology; D014316:Tritium
D014316:Tritium; D013936:Thymidine