Almeida Carvalho, S., Fernandes Ferraz, I., Carrão, A., Antunes, P., Martins, P. and Manuel Marques, M. 2023. Questionnaire survey of satisfaction with labour analgesia: combined technique versus epidural technique. Journal of the Portuguese Society of Anesthesiology. 32, 3 (Sep. 2023). DOI:https://doi.org/10.25751/rspa.31045.