Letermovir improves the outcome of allogenic stem cell transplantation with anti-thymocyte globulin against acute leukemia and myelodysplastic syndromes. - Negishi S; Miyao K; Ohara F; Motegi K; Wakabayashi H; Sawa H; Inagaki Y; Sawa M (Annals of hematology, 2026)