Kensuke Yoshida, Yasumitsu Kodama, Anna Kiyomi, Kyongsun Pak, Takahiro Nagai, Chie Saito, Kyosuke Yamazaki, Munetoshi Sugiura, Akira Toyama, Kei Tomihara. Effect of Yokukansan on preoperative anxiety and postoperative pain in mandibular third molar extraction: A pilot study. ORAL SCIENCE INTERNATIONAL. 2023