doi> BASTIANI, Michele ; HILLEBRAND, Sandro ; HORN, Fabiana ; KIST, T. B. L. ; GUIMARÃES, Jorge Almeida ; TERMIGNONI, C. . Cattle tick Boophilus microplus salivary gland contians a thiol-activated metalloendopeptidase displaying kininase activity. Insect Biochemistry and Molecular Biology, v. 32, p. 1439-1446, 2002.