MOHAMMAD, Taneem et al. A Comparison of Using Crystalloid Preloading and Co-Loading in Caesarean Section Operation Under Spinal Anaesthesia and Its Association with Spinal Anaesthesia Induced Hypotension and Heart Rate Variability. Journal of Dhaka Medical College, [S. l.], v. 29, n. 1, p. 12–17, 2021. DOI: 10.3329/jdmc.v29i1.51164. Disponível em: https://www.banglajol.info/index.php/JDMC/article/view/51164. Acesso em: 23 sep. 2025.