Author

Chih Tzer Choong

Institution: Health Sciences Authority

Observed institution: Health Sciences Authority

ORCID: 0000-0002-5272-5439

Observed ORCID: 0000-0002-5272-5439

OpenAlex ID: A5064336233

Augmenting Product Defect Surveillance Through Web Crawling and Machine Learning in Singapore

2021 · Pei San Ang, Desmond Chun Hwee Teo, et al. · Drug Safety · 10

A risk classification model for prioritising the management of quality issues relating to substandard medicines in Singapore

2022 · Pei San Ang, Desmond Chun Hwee Teo, et al. · Pharmacoepidemiology and Drug Safety · 2

Automated Classification of Quality Defect Issues Relating to Substandard Medicines Using a Hybrid Machine Learning and Rule-Based Approach

2023 · Desmond Chun Hwee Teo, Yiting Huang, et al. · Drug Safety · 1

From benchmarking to global leadership: Singapore’s health sciences authority’s journey to WHO maturity level 4 and WHO-Listed Authority status for medicines

2026 · Dorothy Toh, Adena Lim, et al. · Frontiers in Medicine

A Mixed-Methods Evaluation to Identify Industry Knowledge Needs and Challenges in Health Product Defect and Recall Reporting in Singapore

2025 · Pei San Ang, Michelle Sau Yuen Ng, et al. · Drug Safety

Works count: 5

Citation count: 13

H-index: 2

I10-index: 1