Zou, N., Chetelat, G., Baydoğan, M.G., Li, J., Fischer, F.U., Titov, D., Dukart, J., Fellgiebel, A., Schreckenberger, M., Yakushev, I., "Metabolic Connectivity As İndex of Verbal Working Memory", Journal of Cerebral Blood Flow and Metabolism, 35, 7, 1122-1126, 2015.