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.
http://danesh-pajohesh.farafile.ir/file/45598/پاورپوینت-شیمی-درمانی-بر-پایه-کمپلکس-های-فلزی