M Michieli, D Damiani, A Michelutti, A Candoni, P Masolini, B Scaggiante, F Quadrifoglio and M Baccarani (1994) “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. Pavia, Italy, 79(6), pp. 500-507. doi: 10.3324/%x.