Inside Medical University of Lodz's largest research partnership: Medical University of Warsaw

Behind Medical University of Lodz's research output sits a defining relationship: 1,034 co-authored works with Medical University of Warsaw (Poland) in the five years to 2025, the university's single largest collaboration.

It anchors an unusually connected research base: 726 collaborating institutions across 72 countries, producing 9,809 joint works over the window, with international co-authors on 28% of output.

The collaborative work travels: its field-weighted citation impact stands at 2.42, 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.