Rogliani, Paola, Luigino Calzetta, Josuel Ora, Mario Cazzola, and Maria Gabriella Matera. 2019. “Efficacy and Safety Profile of Doxofylline Compared to Theophylline in Asthma: A Meta-Analysis”. Multidisciplinary Respiratory Medicine 14 (1). https://doi.org/10.4081/mrm.2019.26.