El-Chemaly S, Ziegler SG, Calado RT, Wilson KA, Wu HP, Haughey M, Peterson NR, Young NS, Gahl WA, Moss J, Gochuico BR. Natural history of pulmonary fibrosis in two subjects with the same telomerase mutation. Chest. 2011 May;139(5):1203–9. PMID: 20966039; PMCID: PMC3087459.