@article{848fab7a6c554ee29def76268265f41d,
title = "Upper endoscopy for gastroesophageal reflux disease",
keywords = "Endoscopy, Gastrointestinal/statistics \& numerical data, Female, Gastroesophageal Reflux/diagnosis, Humans, Male",
author = "Shaheen, \{Nicholas J.\} and Weinberg, \{David S.\}",
year = "2013",
month = mar,
day = "19",
doi = "10.7326/0003-4819-158-6-201303190-00023",
language = "English",
volume = "158",
pages = "503--504",
journal = "Annals of Internal Medicine",
issn = "0003-4819",
publisher = "American College of Physicians",
number = "6",
}