(Q51776344)
Statements
Clinical predictors of exacerbation frequency in chronic obstructive pulmonary disease (English)
Paul van der Valk
16 December 2010
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference