Webliography:

1.  Patricia A.M. Snoek-van Beurden and Johannes W. Von den Hoff; Zymographic techniques for the analysis of matrix metalloproteinases   and their inhibitors;  BioTechniques 38:73-83 (January 2005).
2. Nack-Shick Choi, Byoung-Young Kim, Jin-Young Lee, Kab-Seog Yoon,Kyoung-Yoen Han and Seung-Ho Kim; Relationship Between Acrylamide Concentration and Enzymatic Activity in An Improved Single Fibrin Zymogram Gel SystemJournal of Biochemistry and Molecular Biology, Vol. 35, No. 2, March 2002, pp. 236-238;
3. Snoek-van Beurden PA, Von den Hoff JW (2005). "Zymographic techniques for the analysis of matrix metalloproteinases and their inhibitors". Biotechniques 38 (1): 73–83.