D. Selamat

Empirical treatment for the management of patients presenting with uninvestigated reflux symptoms: a prospective study in an Asian primary care population

C. Wai, K. Ho, K. Gwee, 2005, Alimentary pharmacology & therapeutics.

Validation of a Graded Response Questionnaire for the Diagnosis of Gastroesophageal Reflux Disease in an Asian Primary Care Population

K. Ho, K. Gwee, K. Yeoh, 2008, Journal of clinical gastroenterology.

Complications of endoscopic retrograde cholangiography in the post-MRCP era: a tertiary center experience.

K. Ho, K. Yeoh, T. Ong, 2005, World journal of gastroenterology.