Ahmed, Esraa Zeinhom Samy, et al. “Role Of Immunoglobulin G4 In Pediatric Eosinophilic Esophagitis: Clinical, Endoscopic And Pathological Study”. Adolescência E Saúde, vol. 21, no. 5s, Aug. 2026, pp. 916-22, doi:10.67440/ahj.v21i5s.1522.