Therapeutic effect of aged garlic extract on gingivitis in dogs oleh Kaori Takahashi, Hiroshi Nango, Mitsuyasu Ushijima, Miyuki Takashima, Masato Nakamoto, Toshiaki Matsutomo, Hiroshi Jikihara, Nanami Arakawa, Shinichiro Maki, Akira Yabuki, Akira Yabuki, Yasuyuki Endo, Osamu Yamato