Pain theories: an overview.
D000339:Affect / Q000502:physiology; D002490:Central Nervous System / Q000503:physiopathology*; D004723:Endorphins / Q000502:physiology; D006801:Humans; D009619:Nociceptors / Q000503:physiopathology; D010146:Pain / Q000503:physiopathology*; D012677:Sensation; D013788:Thalamus / Q000503:physiopathology
D004723:Endorphins