Studies on the origin of the naturally occurring antibodies against tumor viruses developing in aging chickens.
D000375:Aging; D000818:Animals; D000906:Antibodies; D000941:Antigens; D002645:Chickens; D009858:Oncogenic Viruses; D012513:Sarcoma, Experimental
D000906:Antibodies; D000941:Antigens
ANTIGENS AND ANTIBODIES; SARCOMA/experimental