Yip, Y.K.; Barrowclough, B.S.; Urban, C.; Vilcek, J. (1982). "Molecular weight of human gamma interferon is similar to that of other human interferons". Science. 215 (4531): 411–413. Bibcode:1982Sci...215..411Y. doi:10.1126/science.6173921. PMID6173921.
Yip, Y.K.; Barrowclough, B.S.; Urban, C.; Vilcek, J. (1982). "Molecular weight of human gamma interferon is similar to that of other human interferons". Science. 215 (4531): 411–413. Bibcode:1982Sci...215..411Y. doi:10.1126/science.6173921. PMID6173921.
Yip, Y.K.; Barrowclough, B.S.; Urban, C.; Vilcek, J. (1982). "Molecular weight of human gamma interferon is similar to that of other human interferons". Science. 215 (4531): 411–413. Bibcode:1982Sci...215..411Y. doi:10.1126/science.6173921. PMID6173921.