Use of mitochondrial inhibitors to demonstrate that cytochrome oxidase near-infrared spectroscopy can measure mitochondrial dysfunction noninvasively in the brain. - Cooper,C.E.; Cope,M.; Springett,R.; Amess,P.N.; Penrice,J.; Tyszczuk,L.; Punwani,S.; Ordidge,R.; Wyatt,J.; Delpy,D.T. (J Cereb Blood Flow Metab, 1999)