TY - RPRT TI - Facial Micro-Movements as a Proxy of Increasingly Erratic Heart Rate Variability While Experiencing Pressure Pain AU - Torres, E. B. AU - Elsayed, M. PY - 2025 DO - 10.1101/2025.09.09.674997 UR - https://www.biorxiv.org/content/10.1101/2025.09.09.674997v1 ID - 10.1101/2025.09.09.674997 ER -