@incollection{Ansai12, author = {Akihiro Yoshida and Toshihiro Ansai}, title = {Microbiological Diagnosis for Periodontal Diseases}, booktitle = {Periodontal Diseases}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Jane Manakil}, chapter = {2}, doi = {10.5772/26482}, url = {https://doi.org/10.5772/26482} }