共 14 条
[1]
American Thoracic Society, 1999, AM J RESP CRIT CARE, V159, P1666
[2]
Bickford L S, 1995, J Cardiopulm Rehabil, V15, P406, DOI 10.1097/00008483-199511000-00002
[3]
Brooks D, 1999, Can Respir J, V6, P55
[4]
*CAN LUNG ASS, CHRON OBSTR PULM DIS
[5]
*CAN MED ASS, 2004, CAN HLTH FAC DIR
[7]
Dillman DA., 2000, Mail and internet surveys: The tailored design method
[10]
LACASSE Y, 2004, COCHRANE LIB