(Q33937707)
Statements
1 reference
The prevalence of COPD: using smoking rates to estimate disease frequency in the general population (English)
1 reference
Stang P
1 reference
Lydick E
1 reference
Silberman C
1 reference
Kempel A
1 reference
Keating ET
1 reference
1 May 2000
1 reference
1 reference
117
1 reference
5 Suppl 2
1 reference
354S-9S
1 reference
Identifiers
1 reference
1 reference