Shunichiro Ikeda, Yasushi Nakamori, Leonides Canuet, Ryouhei Ishii, Takeshi Kitamoto, Daiki Wada, Masatoshi Kyo, Tatsuya Matsuda, Toshihiko Kinoshita. Emerging Risks of New Types of Drug Addiction in Japan. Mental Health in Family Medicine. 2017. 13. 3. 480-485