Fig. 2From: Single and double pain responses to individually titrated ultra-short laser stimulation in humansMedian intensity levels of immediate and delayed pain induced by ultra-short CO2 laser stimulation in the arc of the foot, assessed by individual visual analogue scale (VAS) scoring, in 13 (one female) subjects not consistently reporting double pain responses, and in 29 (eleven female) subjects reporting double pain responses of mild intensity. All single pain responses were delayedBack to article page