Dr3939
Joined 11 August 2019
My name is Chung-Han Yang (Dr3939).
I'm from Taiwan and am a medical doctor specialized in rheumatology, immunology and allergy.
I usually participate in Chinese Wikipedia (維基百科) and Wikimedia_Taiwan/Wiki_Seed_Of_Taiwan_Knowledge/WikiMed . My User page in ZH-TW is User:Dr3939.