Yang L, Mei Y, Xie Q, Han X, Zhang F, Gu L, Zhang Y, Chen Y, Li G, Gao Z. Acidification induces Bax translocation to the mitochondria and promotes ultraviolet light-induced apoptosis. Cellular & Molecular Biology Letters. 2007 Oct 29;13(1):119–29. doi: 10.2478/s11658-007-0042-x.