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Fig. 4 | BMC Medical Education

Fig. 4

From: Effects of relaxing breathing paired with cardiac biofeedback on performance and relaxation during critical simulated situations: a prospective randomized controlled trial

Fig. 4

Psychological stress after the intervention. VAS-Stress: Visual analogous scales for stress. The points indicate the means. The grey boxplots indicate the control group, the dark blue indicate the relaxing breathing group and the turquoise ones indicate the biofeedback + the relaxing breathing group

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