Pirina, Pietro, et al. “Tracheobronchopathia Osteochondroplastica: A Rare Case Report of a Non-Smoker and Non-Atopic Patient, With a Long History of Wheezing since Childhood”. Multidisciplinary Respiratory Medicine, vol. 11, no. 1, Apr. 2016, https://doi.org/10.4081/mrm.2016.273.