Cost-effectiveness of gargling for the prevention of upper respiratory tract infections

by Kitamura Tetsuhisa, Satomura Kazunari, Takahashi Yoshimitsu, Omata Kazumi, Shimbo Takuro, Sakai Michi, Kawamura Takashi, Baba Hisamitsu, Yoshihara Masaharu, Itoh Hiroshi
Published 2008-12-01