Rous sarcoma virus infection in the chick embryo.  II.  A method of measuring virus activity and neutralizing antibody.
D000818:Animals; D000906:Antibodies; D057134:Antibodies, Neutralizing; D000941:Antigens; D052736:Rous sarcoma virus; D012513:Sarcoma, Experimental; D014780:Viruses
D000906:Antibodies; D057134:Antibodies, Neutralizing; D000941:Antigens
ANTIGENS AND ANTIBODIES; SARCOMA/experimental; VIRUSES