M Michieli, D Damiani, A Michelutti, A Candoni, P Masolini, B Scaggiante, F Quadrifoglio, M Baccarani. Restoring uptake and retention of daunorubicin and idarubicin in P170-related multidrug resistance cells by low concentration D-verapamil, cyclosporin-A and SDZ PSC 833. Haematologica 1994;79(6):500-507; https://doi.org/10.3324/%x.