TY - GEN AU - Umeda,M TI - [An improved method for comprehensive investigation of subgingival microflora with particular reference to obligate anaerobic spirochetes] SN - 0385-0110 PY - 1989///0322 KW - Culture Media KW - Humans KW - Methods KW - Periodontal Pocket KW - microbiology KW - Periodontitis KW - Spirochaetales KW - isolation & purification N1 - Publication Type: Comparative Study; English Abstract; Journal Article UR - https://doi.org/10.2329/perio.29.91 ER -