The action of thrombin on peptide p-nitroanilide substrates: Hydrolysis of Tos-Gly-Pro-Arg-pNA and D-Phe-Pip-Arg-pNA by human a- and y- and bovine a- and P-thrombin - Lottenberg, R; Hall, J A; Fenton, J W II; Jackson, C M (Thromb Res, 1982)