by ا.د.تغريد فاضل زيدان

Asia/Baghdad
كلية طب الاسنان

كلية طب الاسنان

Description

http://meet.google.com/tzp-biyt-izk

Antioxidants are substances that can prevent or slow the damage to cells caused by free radicals. They are sometimes called "free-radical scavengers.“
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كلية طب الاسنان-فرع التشخيص الفمي