Body mass index, airflow obstruction, dyspnea, and exercise index is not modified after 6 months therapy with roflumilast in a cohort of patients with chronic obstructive pulmonary... oleh Silvano Dragonieri, Vitaliano N Quaranta, Pierluigi Carratu, Donato Lacedonia, Giovanna Elisiana Carpagnano, Annamaria Milano, Giuseppina D′Alba, Teresa Ranieri, Maria Pia Foschino Barbaro, Onofrio Resta