Dissection of mechanisms of Chinese medicinal formula Realgar-Indigo naturalis as an effective treatment for promyelocytic leukemia. - Wang,L.; Zhou,G.B.; Liu,P.; Song,J.H.; Liang,Y.; Yan,X.J.; Xu,F.; Wang,B.S.; Mao,J.H.; Shen,Z.X.; Chen,S.J.; Chen,Z. (Proc Natl Acad Sci U S A, 2008)