Long‐term follow‐up of myelodysplastic syndrome patients with moderate/severe anaemia receiving human recombinant erythropoietin + 13‐<i>cis</i>‐retinoic acid and dihydroxylated vitamin <scp>D</scp>3: independent positive impact of erythroid response on survivalElena Crisà, Dario Ferrero, Cristina Foli et al.|British Journal of Haematology|2012Cited by 9