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://9lib.co/document/7qvjl8lq-居家鼻胃管灌食病患之主要照顧者使用天然自製配方之現況及相關因素探討.html