Fig. 2From: Comparison of music and vapocoolant spray in reducing the pain of venous cannulation in children age 6-12: a randomized clinical trialThe changes in VAS scores in three methods: during and after venous cannulation. Figure 2 shows that the pain during cannulation (Blue triangle) was very high in control and music measurements. The Pain after cannulation (Orange triangle) decreased more significantly in the vapocoolant measurementBack to article page