Alô bác sỹ: Bổ sung canxi đúng cách cho trẻ

[media=https://canthotv.vn/wp-content/uploads/2016/09/Sequence-01.01_15_58_15.Still050.jpg]http://media4.canthotv.vn/2016/TH/09/04/canxi.mp4|http://media4.canthotv.vn/2016/TH/09/04/canxi.mp4[/media]