End-to-end encryption and privacy controls.
Message and call for free* around the world.
Group conversations made simple.
Say it with stickers, voice, GIFs and more.
Reach your customers from anywhere.
https://123dok.co/document/y6e0r4k4-단일-응급센터로-내원한-저압-전기-손상-환자의-임상적.html