title: The microbiology of acute ulcerative gingivitis with reference to the culture of oral trichomonads and spirochaetes.
mesh_terms: D000208:Acute Disease; D001431:Bacteriological Techniques; D003470:Culture Media; D005892:Gingivitis, Necrotizing Ulcerative / Q000382:microbiology* / Q000473:pathology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D008858:Microscopy, Phase-Contrast; D013142:Spirochaeta / Q000254:growth & development / Q000302:isolation & purification*; D014244:Trichomonas / Q000254:growth & development / Q000302:isolation & purification*; D014456:Ulcer
chemical_list: D003470:Culture Media