[Study of storage stability of the commercial series of thromboplastin preparations].

The stability of commercial series of the thromboplastin preparation (obtained from rabbit brain) with calcium (TKS, Researach-and-Production Enterprise "Renam" MICH 1.1-1.2), of TKS "Tromborel" and of "Immunoplastin" (Technoclon) was comparatively studied.