title: Germinal centres and the origin of the B-cell system. I. Germinal centres in the rabbit appendix.
mesh_terms: D000818:Animals; D000917:Antibody Formation / Q000528:radiation effects; D000942:Antigens, Bacterial / Q000008:administration & dosage; D001062:Appendectomy; D001065:Appendix / Q000166:cytology / Q000276:immunology* / Q000502:physiology / Q000601:surgery; D001345:Autoradiography; D001402:B-Lymphocytes; D001706:Biopsy; D002465:Cell Movement; D011817:Rabbits; D011829:Radiation Dosage; D011830:Radiation Effects; D012038:Regeneration; D012475:Salmonella / Q000276:immunology; D013154:Spleen / Q000166:cytology / Q000276:immunology; D013936:Thymidine / Q000378:metabolism; D014316:Tritium
chemical_list: D000942:Antigens, Bacterial; D014316:Tritium; D013936:Thymidine