Association between Serum Zinc and All-Cause Mortality in Patients Undergoing Maintenance Hemodialysis: The Osaka Dialysis Complication Study (ODCS) oleh Shinya Nakatani, Tetsuo Shoji, Fumiyuki Morioka, Rino Nakaya, Mayuko Ueda, Hideki Uedono, Akihiro Tsuda, Tomoaki Morioka, Hisako Fujii, Hisako Yoshida, Katsuhito Mori, Masanori Emoto