W. Evans
发表
Karin Porter-Williamson,
C. V. von Gunten,
K. Garman,
2004,
Academic medicine : journal of the Association of American Medical Colleges.
D. Shale,
C. Bolton,
R. Sabit,
2008,
Respiratory medicine.
M. Urmston,
Sc Johnson,
M. Dodd,
1998
.