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8. ^{{cite journal | vauthors = Fiedler F | title = Effects of secondary interactions on the kinetics of peptide and peptide ester hydrolysis by tissue kallikrein and trypsin | journal = European Journal of Biochemistry | volume = 163 | issue = 2 | pages = 303–12 | date = March 1987 | pmid = 3643848 | doi = 10.1111/j.1432-1033.1987.tb10801.x }}
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14. ^{{cite journal | vauthors = Geiger R, Miska W | title = Human tissue kallikrein | journal = Methods in Enzymology | volume = 163 | pages = 102–15 | date = 1988 | pmid = 3237071 | doi = 10.1016/0076-6879(88)63012-6 }}
15. ^{{cite journal | vauthors = Bertrand R, Derancourt J, Kassab R | title = Selective cleavage at lysine of the 50 kDa-20 kDa connector loop segment of skeletal myosin S-1 by endoproteinase Arg-C | journal = FEBS Letters | volume = 246 | issue = 1-2 | pages = 171–6 | date = March 1989 | pmid = 2523317 | doi = 10.1016/0014-5793(89)80277-7 }}
16. ^{{cite journal | vauthors = Wines DR, Brady JM, Pritchett DB, Roberts JL, MacDonald RJ | title = Organization and expression of the rat kallikrein gene family | journal = The Journal of Biological Chemistry | volume = 264 | issue = 13 | pages = 7653–62 | date = May 1989 | pmid = 2708383 }}
17. ^{{cite journal | vauthors = Elmoujahed A, Gutman N, Brillard M, Gauthier F | title = Substrate specificity of two kallikrein family gene products isolated from the rat submaxillary gland | journal = FEBS Letters | volume = 265 | issue = 1-2 | pages = 137–40 | date = June 1990 | pmid = 2194829 | doi = 10.1016/0014-5793(90)80903-v }}
18. ^{{cite journal | vauthors = Xiong W, Chen LM, Chao J | title = Purification and characterization of a kallikrein-like T-kininogenase | journal = The Journal of Biological Chemistry | volume = 265 | issue = 5 | pages = 2822–7 | date = February 1990 | pmid = 2303430 }}