Selim, N. M., S. E. . Sheikh, and W. S. Metwally. “Role of Periostin in Evaluating the Responsiveness of Allergic Patients to Allergen-Specific Immunotherapy”. Bangladesh Journal of Medical Science, vol. 21, no. 1, Jan. 2022, pp. 184-90, doi:10.3329/bjms.v21i1.56347.