Effects of polyethylene glycol 2 L alone or with ascorbic acid compared with polyethylene glycol 4 L alone for bowel preparation before colonoscopy: protocol for a systematic revie...

por Tian, Xu, Chen, Wei-Qing, Huang, Jie-Li, He, Lan-Ying, Liu, Bang-Lun, Liu, Xi, Zhou, Hang, Liu, Bing-Rong
Publicado 2017