[1]
Artifon, E.L., Moura, R.N. y Otoch, J.P. 2017. Difficult cannulation: what should I do before EUS guided access?. Revista de Gastroenterología del Perú. 34, 1 (jun. 2017), 53–7. DOI:https://doi.org/10.47892/rgp.2014.341.185.