Mann G, Reinhardt D, Ritter J, Hermann J, Schmitt K, Gadner H, Creutzig U. Treatment with all-trans retinoic acid in acute promyelocytic leukemia reduces early deaths in children. Ann Hematol. 2001 Jul;80(7):417–22. doi: 10.1007/s002770100304. PMID: 11529468.