The effects of ketamine–xylazine anesthesia on cerebral blood flow and oxygenation observed using nuclear magnetic resonance perfusion imaging and electron paramagnetic resonance oximetryHao Lei, Jeff F. Dunn, Helen Williams et al.|Brain Research|2001Cited by 137
Clinical applications of EPR: overview and perspectivesHarold M. Swartz, Tadeusz Walczak, Nadeem Khan et al.|NMR in Biomedicine|2004Cited by 133