title: Naloxone decreases diurnal variation in pain sensitivity and somatosensory evoked potentials.
mesh_terms: D002940:Circadian Rhythm / Q000187:drug effects*; D005071:Evoked Potentials / Q000187:drug effects; D005260:Female; D006801:Humans; D008297:Male; D009270:Naloxone / Q000494:pharmacology*; D010146:Pain / Q000503:physiopathology*; D013003:Somatosensory Cortex / Q000187:drug effects*
chemical_list: D009270:Naloxone