VAS - Visual Analog Scale!

This Visual Analog Scale allows reliable pain evaluation. Its simple, its free and with no ads Now your VAS is always available, right in your pocket Accuracy, Validity, and Reliability of an Electronic Visual Analog Scale for Pain on a Touch Screen device has been scientifically evaluated : https://www.ncbi.nlm.nih.gov/pubmed/26769149Herve Kasparian D.O. and Ghislaine Signoret D.O., two osteopaths in Tonneins (France), are happy to provide this tool to you.