Fig. 6From: Assessment of the endothelial function with changed volume of brachial artery by menstrual cycleThe real photo for FMD measurement, a blood pressure measurement, b stage 1, waiting 3 min, c stage 2, recording signal in 2 min, d stage 3, occluding blood flow for 5 min, e stage 4, recording signal in 2 minBack to article page