Jane Neumann Robert Turner Peter T. Fox Gabriele Lohmann Exploring functional relations between brain regions from fMRI meta-analysis data: Comments on Ramsey, Spirtes, and Glymour. 331-333 2011 57 NeuroImage 2 http://dx.doi.org/10.1016/j.neuroimage.2010.11.012 db/journals/neuroimage/neuroimage57.html#NeumannTFL11