(Q46168567)
Statements
1 reference
Antibiotics in chronic obstructive pulmonary disease exacerbations. A meta-analysis (English)
1 reference
S Saint
1 reference
S Bent
1 reference
E Vittinghoff
1 reference
D Grady
1 reference
1 March 1995
1 reference
273
1 reference
12
1 reference
957-960
1 reference