title: Sleep electroencephalographic-electrooculographic characteristics of chronic marijuana users: part I.
mesh_terms: D000328:Adult; D002188:Cannabis; D003364:Costa Rica; D004569:Electroencephalography; D004585:Electrooculography; D006801:Humans; D008019:Life Style; D008297:Male; D008875:Middle Aged; D012890:Sleep / Q000187:drug effects; D012895:Sleep, REM / Q000187:drug effects; D019966:Substance-Related Disorders / Q000503:physiopathology*; D013997:Time Factors