Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) CHIGA Sakura and OHBA Takashi and TANOUE Daisuke and KAWASE Hiromi and KATOH Takahiko and KATABUCHI Hidetaka,Validity of Self-Reported Periodontal Disease Questionnaire among Pregnant Women,Nippon Eiseigaku Zasshi (Japanese Journal of Hygiene),0021-5082,The Japanese Society for Hygiene,2016,71,3,260-266,https://cir.nii.ac.jp/crid/1390282681338634240,https://doi.org/10.1265/jjh.71.260