Efficacy and Safety of Roflumilast Taken in the Morning or Evening in Patients With Stable Asthma (12 to 70 y) (BY217/M2-015) [clinicaltrials:NCT00163475]

Efficacy and Safety of Roflumilast Taken in the Morning or Evening in Patients With Stable Asthma (12 to 70 y) (BY217/M2-015) [clinicaltrials:NCT00163475]