Mo. Rev. Stat. § 530.090: Further proceedings governed by what law.

In all particulars not provided for in the foregoing sections of this chapter, proceedings in prohibition shall be governed and continued in accordance with the existing rules of general law upon the subject, and the courts empowered to grant such remedy are authorized, by proper orders, to direct the form of such further details of procedure as may be necessary to the orderly course of the case, or to give effect to said remedy, in accordance with the general principles of law upon the subject.