- Phase I study of cinchonine, a multidrug resistance reversing agent, combined with the CHVP regimen in relapsed and refractory lymphoproliferative syndromes. Solary, E., Mannone, L., Moreau, D., Caillot, D., Casasnovas, R.O., Guy, H., Grandjean, M., Wolf, J.E., André, F., Fenaux, P., Canal, P., Chauffert, B., Wotawa, A., Bayssas, M., Genne, P. Leukemia (2000)