Vasoreactivity of the optic nerve head, nailfold, and facial skin in response to cold provocation in normal-tension glaucoma patients oleh Nana Takahashi, Naoki Kiyota, Hiroshi Kunikata, Mai Yamazaki, Takayuki Nishimura, Yukihiro Shiga, Hisae Aoyagi, Miwako Shidomi, Tomohiro Tsuda, Toshihiko Ohtsuka, Takahiro Tomida, Toru Nakazawa