(Q47868777)
Statements
1 reference
A randomised trial to evaluate the self-administered standardised chronic respiratory questionnaire (English)
1 reference
G H Guyatt
1 reference
H J Schünemann
1 reference
R Goldstein
1 reference
M J Mador
1 reference
D McKim
1 reference
E Stahl
1 reference
M Puhan
1 reference
L E Griffith
1 reference
B Grant
1 reference
P Austin
1 reference
R Collins
1 reference
1 January 2005
1 reference
25
1 reference
1
1 reference
31-40
1 reference
Identifiers
1 reference