TY - RPRT TI - Integrated heart rate variability and physiological profiling reveals autonomic phenotypes in older adults from a high-southern-latitude population AU - Medina-Ortiz, D. AU - Castillo-Aguilar, M. AU - Mabe-Castro, D. AU - Mabe-Castro, M. AU - Nunez, C. PY - 2026 DO - 10.64898/2026.03.27.714667 UR - https://www.biorxiv.org/content/10.64898/2026.03.27.714667v1 ID - 10.64898/2026.03.27.714667 ER -