Abu-Abaa, M., M. . Hassan, B. Oudah, and N. Al-Ameri. “Rapidly Progressive Bronchiectasis and Pulmonary Fibrosis in Yellow Nail Syndrome With Possible Association With Selective IgM Deficiency”. European Journal of Case Reports in Internal Medicine, vol. 9, no. 9, Sept. 2022, doi:10.12890/2022_003577.