Saraiva, RitaMoreira, J.Nunes, Catarina S.Lemos, PauloCosta, J.2023-01-092023-01-092020-06Saraiva, R., J. Moreira, C.S. Nunes, P. Lemos, and J. Costa (2020) " Risk factors associated with difficult epidural placement: a retrospective study." European Journal of Anaesthesiology 37(e-Supplement 52): 125.1365-2346http://hdl.handle.net/10400.2/13087engjournal article