Fujikawa, K. and Davie, E.W. (1981). „Human factor XII (Hageman factor)”. Methods Enzymol.80: 198-211. PMID6918768.
Cho, K., Tanaka, T., Cook, R.R., Kisiel, W., Fujikawa, K., Kurachi, K. and Powers, J.C. (1984). „Active-site mapping of bovine and human blood coagulation serine proteases using synthetic peptide 4-nitroanilide and thio ester substrates”. Biochemistry23: 644-650. PMID6370301.
Que, B.G. and Davie, E.W. (1986). „Characterization of a cDNA coding for human factor XII (Hageman factor)”. Biochemistry25: 1525-1528. PMID3011063.
Fujikawa, K. (1988). „Bovine Hageman factor and its fragments”. Methods Enzymol.163: 54-68. PMID3237089.
Silverberg, M. and Kaplan, A.P. (1988). „Human Hageman factor and its fragments”. Methods Enzymol.163: 68-80. PMID3237092.