Real-world data on first relapse of acute lymphoblastic leukemia in patients >55 years. Issue 10 (3rd October 2018) - Lennmyr, Emma Bergfelt; Kozlowski, Piotr; Ahlberg, Lucia; Bernell, Per; Hulegårdh, Erik; Izarra, Antonio Santamaria; Karlsson, Karin; Tomaszewska-Toporska, Beata; Åström, Maria; Hallböök, Helene