L de Franceschi, G Finco, A Vassanelli, B Zaia, S Ischia and R Corrocher (2004) “A pilot study on the efficacy of ketorolac plus tramadol infusion combined with erythrocytapheresis in the management of acute severe vaso-occlusive crises and sickle cell pain”, Haematologica. Pavia, Italy, 89(11), pp. 1389-1391. Available at: https://haematologica.org/article/view/3280 (Accessed: 1October2026).