Natural history of gastroesophageal reflux: A prospective cohort study in a stratified, randomized population in Beijing.

Xiu Cai FangLiming ZhuDongsheng WuZhifeng WangGuijun FeiMin ChangFangyi LiuHaiwei XinTao XuWei ChenPing WenShan LiWei ZhaoWeiguang ChenFang YaoXiaohong SunShaomei HanMeiyun Ke

Published in: Journal of digestive diseases (2019)

The initial symptom profile of reflux determines the outcome of GER over time.

Keyphrases

double blind
open label
placebo controlled
air pollution
phase iii
phase ii
clinical trial
randomized controlled trial