The Parkinsons Complex: Parkinsonism Is Just the Tip of the IcebergAnn Neurol 59:591-596, Langston,J.W., 2006
NarcolspeyNEJM 323:389-394, Aldrich,M.S., 1990
Narcolepsy-CataplexyArch Neurol 39:164-168, Kales,A.,et al, 1982