Selectivity of the multidrug resistance modulator, LY335979, for P-glycoprotein and effect on cytochrome P-450 activities. - Dantzig AH; Shepard RL; Law KL; Tabas L; Pratt S; Gillespie JS; Binkley SN; Kuhfeld MT; Starling JJ; Wrighton SA (The Journal of pharmacology and experimental therapeutics, 1999)