海量图书期刊资源，随时随地畅享阅读乐趣
Effect of psychological stress on the salivary cortisol and amylase levels in healthy young adultsNoriyasu Takai; Masaki Yamaguchi; Toshiaki Aragaki; Kenji Eto; Kenji Uchihashi; Yasuo Nishikawa · 2004