1. Morgan CA, et al. Characterization of two distinct structural classes of selective aldehyde dehydrogenase 1A1 inhibitors. J Med Chem. 2015 Feb 26;58(4):1964-75. 2. Ciccone V, et al. Stemness marker ALDH1A1 promotes tumor angiogenesis via retinoic acid/HIF-1α/VEGF signalling in MCF-7 breast cancer cells. J Exp Clin Cancer Res. 2018 Dec 12;37(1):311.