Contribution of the bursa of Fabricius to the maturation of the B cell system in chickens.
D000818:Animals; D000917:Antibody Formation / Q000528:radiation effects; D000937:Antigen-Antibody Reactions; D001402:B-Lymphocytes / Q000276:immunology*; D002060:Bursa of Fabricius / Q000276:immunology*; D002645:Chickens / Q000276:immunology*; D005260:Female; D011830:Radiation Effects; D013997:Time Factors; D014965:X-Rays