Inside Shiraz University of Medical Sciences's largest research partnership: Tehran University of Medical Sciences

Behind Shiraz University of Medical Sciences's research output sits a defining relationship: 2,304 co-authored works with Tehran University of Medical Sciences (Iran) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 802 collaborating institutions across 77 countries, producing 18,235 joint works over the window, with international co-authors on 21% of output.

The collaborative work travels: its field-weighted citation impact stands at 1.94, 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.