title: Presence of collagenase from Clostridium histolyticum in gingival sulcal debris of a primitive population.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D003013:Clostridium / Q000201:enzymology*; D003741:Dental Deposits / Q000201:enzymology*; D005260:Female; D005455:Fluorescent Antibody Technique; D005881:Gingiva / Q000382:microbiology*; D005883:Gingival Crevicular Fluid / Q000201:enzymology; D006801:Humans; D008297:Male; D003012:Microbial Collagenase / Q000032:analysis*; D008875:Middle Aged
chemical_list: D003012:Microbial Collagenase