Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Katsuhiko Nagai and Takashi Tanaka and Norihisa Kodaira and Shinya Kimura and Yoshimitsu Takahashi and Takeo Nakayama,Data resource profile: JMDC claims database sourced from health insurance societies,Journal of General and Family Medicine,2189-7948,Wiley,2021-02-14,22,3,118-127,https://cir.nii.ac.jp/crid/1362544420164355072,https://doi.org/10.1002/jgf2.422