[Theoretical background of pain perception and Koreans' expression patterns of pain].
D000698:Analgesia / Q000379:methods*; D001921:Brain / Q000503:physiopathology*; D003469:Culture; D006801:Humans; D007723:Korea; D009431:Neural Conduction; D009619:Nociceptors / Q000503:physiopathology; D010146:Pain / Q000503:physiopathology*; D059408:Pain Management; D012064:Relaxation Therapy