TY - GEN AU - De Marzi,Roberto AU - Poewe,Werner AU - Gizewski,Elke R AU - Mahlknecht,Philipp AU - Seppi,Klaus TI - Utility of Nigral Signal Intensity Changes on MR Images to Differentiate Drug-induced Parkinsonism from Parkinson Disease SN - 1527-1315 PY - 2018///0611 KW - Humans KW - Magnetic Resonance Imaging KW - Parkinson Disease KW - Substantia Nigra N1 - Publication Type: Journal Article; Comment UR - https://doi.org/10.1148/radiol.2016161491 ER -