M. T. Nguyen, S. J. Dudycha, and M. S. Jafri. 2007. The effects of Ca2+ on cardiac mitochondrial energy production is modulated by Na+ and H+ dynamics. Am. J. Physiol. Cell Physiol. 292(6):C2004-2020.
In equation 24 in the last term in the denominator, [ADP4-]m should be [ATP4-]m.