Title : Manganese induced brain lesions in Macaca fascicularis as revealed by positron emission tomography and magnetic resonance imaging - Eriksson_1992_Arch.Toxicol_66_403
Title : Tacrine restores cholinergic nicotinic receptors and glucose metabolism in Alzheimer patients as visualized by positron emission tomography - Nordberg_1992_Neurobiol.Aging_13_747