Author

Tze-Zen Ong

Observed names: T Z Ong, T.Z. Ong

Observed institutions: University of Nottingham, National University Hospital, National University Health System, National University of Malaysia

OpenAlex ID: A5111764706

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

2005 · Tze-Zen Ong, Jen-Lock Khor, et al. · Europe PMC (PubMed Central) · 74

Risk factors for stroke and predictors of one-month mortality.

2002 · T Z Ong, A A Raymond · PubMed · 54

Nonsteroidal Anti-inflammatory Drug Use Is a Significant Cause of Peptic Ulcer Disease in a Tertiary Hospital in Singapore: A Prospective Study

2006 · Tze-Zen Ong, Chris J. Hawkey, et al. · Journal of Clinical Gastroenterology · 31

Ultrasonography is not reliable in diagnosing liver cirrhosis in clinical practice.

2003 · T Z Ong, H J Tan · PubMed · 26

Splenic tuberculosis presenting as pyrexia of unknown origin.

2007 · R Hamizah, A G Rohana, et al. · PubMed · 25

Diagnostic Value of the13C Methacetin Breath Test in Various Stages of Chronic Liver Disease

2011 · Hamizah Razlan, Nurhayaty Muhamad Marzuki, et al. · Gastroenterology Research and Practice · 24

Performance and Compliance of Immunochemical vs. Guaiac Faecal Occult Blood Test in Screening for Colorectal Cancer in a Chinese Population

2004 · L.L. Lim, Khek-Yu Ho, et al. · Gastrointestinal Endoscopy · 2

Emergency Endoscopy Within 4 Hours Is an Independent Predictive Factor for Reduced Mortality in Patients Presenting with High-Risk Upper GI Bleeding

2004 · Tze-Zen Ong, Khay-Guan Yeoh, et al. · Gastrointestinal Endoscopy · 1

Works count: 9

Citation count: 237

H-index: 6

I10-index: 6