Colbenson Gretchen A, Johnson Annie, Wilson Michael E
Dept of Medicine, Mayo Clinic, Rochester, MN, USA.
Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, MN, USA.
Breathe (Sheff). 2019 Jun;15(2):98-101. doi: 10.1183/20734735.0013-2019.
http://bit.ly/2GCgz1q. (此为网址,一般保留原文不翻译)