Kodama, Takeko, 		Endo, Keiji, 		Ara, Katsutoshi, 		Ozaki, Katsuya, AND 		Sekiguchi, Junichi.
" ZYMOGRAPHY OF EXTRACELLULAR PROTEASES IN Bacillus subtilis" <em>International Journal of Biosciences and Biotechnology</em> [Online], Volume 1 Number 2 (30 July 2013)