title: Bacteroides species and gelatinase-producers in periodontal disease.
mesh_terms: D000328:Adult; D001419:Bacteria / Q000201:enzymology / Q000302:isolation & purification*; D001439:Bacteroides / Q000302:isolation & purification*; D018093:Gelatinases; D006801:Humans; D010434:Pepsin A / Q000378:metabolism; D010510:Periodontal Diseases / Q000382:microbiology*; D001443:Prevotella melaninogenica / Q000302:isolation & purification
chemical_list: D010434:Pepsin A; D018093:Gelatinases