“PUMC passport, set up by the Institute of Medical Information (IMI) & Library, Chinese Academy of Medical Sciences and Peking Union Medical College (CAMS & PUMC), is a unified account system for scientific research users of CAMS & PUMC to access S&T literature databases subscribed by IMI.escience.cn, DDL , CSP, dHome, mail, LAS. If you don't have a PUMC passport, you can sign up for free at any time. ”

• May 2016, PUMC passport is upgraded to PUMC passport.
• April 2013, Duckling Passport was upgraded to PUMC passport.