title: Specific collagenase from germ-free rat gingivae.
mesh_terms: D000818:Animals; D046508:Culture Techniques; D005856:Germ-Free Life; D005881:Gingiva / Q000201:enzymology*; D003012:Microbial Collagenase / Q000302:isolation & purification*; D051381:Rats
chemical_list: D003012:Microbial Collagenase