Quinine improves the result of intensive chemotherapy in myelodysplastic syndromes expressing P-glycoprotein: results of a randomized study. - Wattel,E.; Solary,E.; Hequet,B.; Caillot,D.; Ifrah,N.; Brion,A.; Mahe,B.; Milpied,N.; Janvier,M.; Guerci,A.; Roachant,H.; Cordonnier,C.; et al. (Br J Haematol, 1998)