Potentially Lethal! Which of the Mechanisms Represented in the Press Is the Cause of the Damaging Effects of Swallowing Button Batteries?

After seeing several reports in newspapers making claims about the cause of death after children had swallowed button batteries, a team of students decided to try to establish which (if any) claims were true. The findings were reported in the Schools Exhibition at the ASE Annual Conference 2018 in Liverpool and are shared in detail here. (A bibliography is included.)