WHITFIELD, Ann. A short history of Obstetric Anaesthesia. Res Medica, [S. l.], v. 3, n. 1, 2014. DOI: 10.2218/resmedica.v3i1.972. Disponível em: https://journals.ed.ac.uk/resmedica/article/view/972. Acesso em: 22 jul. 2024.