The German sickle cell disease registry reveals a surprising risk of acute splenic sequestration and an increased transfusion requirement in patients with compound heterozygous sickle cell disease HbS/β‐thalassaemia and no or low HbA expression - Allard, Pierre; Tagliaferri, Laura; Weru, Vivienn; Cario, Holger; Lobitz, Stephan; Grosse, Regine; Bleeke, Matthias; Oevermann, Lena; Hakimeh, Dani; Jarisch, Andrea; Kopp‐Schneider, Annette; Kulozik, Andreas E.; et al. (European Journal of Haematology, 2024)