@article{article04ac0ca8,
title   = {Peroral endoscopic myotomy n pediatric jackhammer esophagus},
author = {Ramos, Rosa Isabel and Sakai, Paulo},
year = {2018},
doi = {10.17235/reed.2018.5090/2017},
journal   = {Revista espanola de enfermedades digestivas}
}