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- Mines are the second-most-frequent cause of injury for Ukraine's soldiers, a medical officer told The Guardian.
- Russia has laid millions of mines across the front line, causing major issues for Ukraine.
- Ukrainian soldiers have described the slow, desperate effort to progress through dense minefields.
A leading Ukrainian medical officer said mines come second only to artillery as a cause of injury to soldiers, as the country's troops battle the dense minefields laid by Russia's forces.