Evcen R, Colkesen F, Sadi Aykan F, Kilinc M, Yilmaz Ergun U, Akkus FA, et al. Clinical and immunological features of 55 adult patients with selective IgG4 subclass deficiencies. Ann Med Res [Internet]. 2024 Apr. 26 [cited 2026 Sep. 15];31(4):323-7. Available from: http://www.annalsmedres.org/index.php/aomr/article/view/4672