| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| What's Wrong with My Gallbladder?: Understanding Laparoscopic Cholecystectomy | 978-981-4723-49-7 (981-4723-49-5) | 2015 | Konrad Ong · Natalie Ngoi |
| What's Wrong With My Gallbladder?: Understanding Laparoscopic Cholecystectomy | 978-981-4723-50-3 (981-4723-50-9) | 2015 | |