Inside Army Medical University's largest research partnership: Chongqing Medical University

Behind Army Medical University's research output sits a defining relationship: 3,453 co-authored works with Chongqing Medical University (China) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 666 collaborating institutions across 52 countries, producing 19,829 joint works over the window, with international co-authors on 16% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.25, where the world average is 1.0.

The Research Collaboration Index, the first global account of how universities actually collaborate, publishes its first full edition on Tuesday 15 September at 09:00 UK.

Every figure derives from the open global research record and is checkable at source.