Susumu Higuchi, M.D., Ph.D.
Susumu Higuchi, M.D., Ph.D.
Hospital Directer
National Hospital Organization Kurihama Medical and Addiction Center
Yokosuka-shi, Kanagawa
Japan
h-susumu@db3.so-net.ne.jp
4156.0 Reduced effectiveness of the age verification card system for discouraging tobacco purchase by minors in Japan