The Effects of Two Different Doses of Spinal Hyperbaric Solution of Ropivacaine in Elderly Patients . Annals of Medical Research, [S. l.], v. 14, n. 1, p. 0027–0031, 2021. Disponível em: http://annalsmedres.org/index.php/aomr/article/view/3145. Acesso em: 19 apr. 2025.