Zhang Z, Yildirim M, Keskinocak P, Dasthagirisaheb YBS, Hinderstein S, Tran K, Crockett M, Burns M, Johnson H, Popstefanija M, Madoff LC, Pelton SI, Yildirim I. Serotype specific pneumococcal vaccine effectiveness in children with sickle cell disease: A two-decade analysis. Vaccine. 2025 May 22; 56:127193.