Comparison of difficulty with activities of daily living in elderly adults undergoing hemodialysis and community-dwelling individuals: a cross-sectional study oleh Toshiki Kutsuna, Yusuke Isobe, Takaaki Watanabe, Yusuke Matsunaga, Satomi Kusaka, Yasuaki Kusumoto, Junko Tsuchiya, Masaru Umeda, Hiroyuki Watanabe, Shinobu Shimizu, Atsushi Yoshida, Atsuhiko Matsunaga