Validity and reliability of the Japanese version of the Newest Vital Sign: a preliminary study. oleh Takamichi Kogure, Masahiko Sumitani, Machi Suka, Hirono Ishikawa, Takeshi Odajima, Ataru Igarashi, Makiko Kusama, Masako Okamoto, Hiroki Sugimori, Kazuo Kawahara