Aguado Borja-Fos MA, Echeverri Vélez M. Factores predictivos de localización dificultosa del espacio epidural: Faitot V, Ourchane R, Dahmani S, Magheru M, Nebout S, Gomas F, Katz A, Salomon L, Keïta-Meyer H. An observational study of factors leading to difficulty in resident anaesthesiologists identifying the epidural space in obstetric patients. Int J Obstet Anesth 2011, 20:124-127. Rev Elect AnestesiaR [Internet]. [citado 3 de julio de 2024];3(8):3. Disponible en: https://revistaanestesiar.org/index.php/rear/article/view/463