Samolski, Daniel, Roberto Duré, Gonzalo Bentolila, and Teresa Castiglioni. “Metastatic Pulmonary Calcification Diagnosed by Transbronchial Cryobiopsy”. Monaldi Archives for Chest Disease 90, no. 4 (September 9, 2020). Accessed February 28, 2021. https://monaldi-archives.org/index.php/macd/article/view/1430.