Bisbenzylisoquinolines as modulators of chloroquine resistance in Plasmodium falciparum and multidrug resistance in tumor cells. - Frappier ,F,.; Jossang ,A,.; Soudon ,J,.; Calvo ,F,.; Rasoanaivo ,P,.; Ratsimamanga-Urverg ,S et al.. (Antimicrob. Agents Chemother., 1996)