Ptrw08

This user has been on Wikipedia for 11 years, 11 months and 15 days.

enThis user is a native speaker of the English language.

zh該用戶的母語是中文。 该用户的母语是中文。

This user participates in the Dead-end pages clean up project. (You can help!)

This user is a participant in
WikiProject Biology.

This user is a biochemist.

Currently working on

• Pages with Incorrect ref formatting
• Dead-end pages
• Community portal