Daniel Richard Leff Felipe Orihuela-Espina Louis Atallah Ara Darzi Guang-Zhong Yang Functional Near Infrared Spectroscopy in Novice and Expert Surgeons - A Manifold Embedding Approach. 270-277 2007 conf/miccai/2007-2 MICCAI (2) http://dx.doi.org/10.1007/978-3-540-75759-7_33 db/conf/miccai/miccai2007-2.html#LeffOADY07