More kids are swallowing button batteries - The Washington Post
What is a button battery?-Tycorun Batteries
Button Batteries/ Coin Cells and Simple Circuits
Mom advocates for safer button batteries after daughter's death
CHOICE - CHOICE testing found that 10 out of 17 common household products containing button batteries were not safe, meaning children would be able to easily access, and swallow, the button batteries.
Not to play with: Button battery puts kids in danger | Pune News - Times of India
CR2450 Battery 3v Lithium Coin Cell Batteries - High Capacity 700mAh Button Cell Battery 3 Volt CR2450 Batteries for Flameless Tea Light Candles, Remote, Window Sensor 10 Pack - Walmart.com