Conversation so far:
What is an interesting fact about Tu youyou's background?
Tu youyou studied at the Department of Pharmaceutical Sciences, and graduated in 1955.
What did Tu Youyou discover in her studies?
Tu youyou discovered artemisinin and dihydroartemisinin, used to treat malaria, a breakthrough in twentieth-century tropical medicine

Question: Did she work with any others?
Self-contained rewrite: Did Tu youyou work with any others?