Chang, K., Wu, J., Hsu, W., Lin, B., Chen, H., & Ni, Y. (2014). Impacts of Endoscopic Gastroesophageal Flap Valve Grading on Pediatric Gastroesophageal Reflux Disease. Public Library of Science.

Chang, Kai-Chi, Jia-Feng Wu, Wei-Chung Hsu, Bor-Ru Lin, Huey-Ling Chen, και Yen-Hsuan Ni. Impacts of Endoscopic Gastroesophageal Flap Valve Grading On Pediatric Gastroesophageal Reflux Disease. Public Library of Science, 2014.

Chang, Kai-Chi, et al. Impacts of Endoscopic Gastroesophageal Flap Valve Grading On Pediatric Gastroesophageal Reflux Disease. Public Library of Science, 2014.