NAEEM, Sara; ASHRAF, Hira; HAYAT, Azmat; KHAN, Muhammad Alamgir. COMPARISON OF HEART RATE VARIABILITY IN NEGATIVE AND POSITIVE RESPONDERS TO ACTIVE PHASE OF HEAD-UP TILT TEST. Pakistan Armed Forces Medical Journal, [S. l.], v. 68, n. 6, p. 1566–70, 2018. Disponível em: https://pafmj.org/PAFMJ/article/view/2541. Acesso em: 13 may. 2024.