การดู
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The Journey of Blood: What happens after you give blood | NHS Give Blood
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What Really Happens to Your Blood After You Donate?
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Blood Component Production
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SKE087 Soft Blood Transfusion Chair For Hospital
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Blood Donor Couch | Blood Bank Equipment
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Blood Donation PSA
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Donating Blood PSA
0:19
Blood Donation || importance of pressing soft ball during blood donation || interesting facts
