A. Ahmed, Alshymaa, Alia A. El Shahaway, and Sameh A. Hussien. “Activated PI3K-Delta Syndrome in an Egyptian Pediatric Cohort With Primary Immune Deficiency”. Allergologia et Immunopathologia 48, no. 6 (December 15, 2020): 686–693. Accessed September 21, 2025. https://all-imm.com/index.php/aei/article/view/115.