Writing assistance was utilized in the production of this manuscript. Cite this: Roflumilast: Systemic Therapy for Chronic Obstructive Pulmonary Disease - Medscape - Oct 01, 2008.

Complex pulmonary atresia is a rare abnormality with variable presentation and uncertain prognosis. 1 The majority of patients present with cyanosis in early infancy, and their outcome tends to be ...