Iron chelation therapy and splenomegaly severity in transfusion dependent beta thalassemia major: assessment of ferritin patterns and clinical outcomes - Sidra Jamil; Narendar Kumar; Shaib Muhammad; Reham Bakhsh; Azfar Athar Ishaqui; Tauqeer Hussain Mallhi; Khalid Orayj; Salman Ahmed; Amar Hussain (Naunyn-Schmiedeberg's Archives of Pharmacology, 2026)