Herrero, Pablo, et al. “Assessment of Myofascial Trigger Points With Ultrasound: A Methodology Combining External Vibration With Power Doppler Imaging and B-Mode”. Invasive Physiotherapy and Musculoskeletal Medicine, vol. 1, no. 1, Nov. 2025, p. e18, https://doi.org/10.63360/ipmm.v1.e18.