A curious double reference of mild pain produced by scratching the skin: with a note on the gentle art of snoring.
D006801:Humans; D010146:Pain / Q000503:physiopathology*; D012135:Respiratory Sounds / Q000503:physiopathology*; D012677:Sensation / Q000502:physiology*; D012913:Snoring / Q000503:physiopathology*