High Hematocrit Levels Are Associated with Risk of Cardiovascular Mortality among Middle-Aged Japanese Women: The Ibaraki Prefectural Health Study (IPHS)., Takaoka Nobuko, Sairenchi Toshimi, Irie Fujiko, Matsushita Munehiro, Nagao Masanori, Umesawa Mitsumasa, Haruyama Yasuo, Watanabe Hiroshi, Yamagishi Kazumasa, Iso Hiroyasu, Kobashi Gen, Ota Hitosh, The Tohoku journal of experimental medicine, 249(1), 65-73, 2019