1. Okunishi H., J. Burton, J. Spragg, Specificity of substrate analogue inhibitors of human urinary kallikrein. Hypertension Suppl. 1, 7, 172 (1985).
2. Okunishi, H., J. Spragg, J. Burton, The design of substrate analog tissue kallikrein inhibitors. Hypertension, 8, I, (1986).
3. Dixon, M., ED. Webb, Enzymes, 3rd editon, New York: Academic Press, 345, (1979).
4. Kettner, C., C. Mirabelli, J. V. Pierce and E. Shaw, Active site mapping of human and rat urinary kallikreins by peptidyl chloromethyl ketones. Arch. Biochem. Biophys., 202, 420 (1980).
5. Sarnoff, S.J., R.B. Case, R. Macruz, Oberservation on the vasodilator properties of urine. Circ. Res., 522 (1958).