Platelet, double red blood cell and plasma donations
https://www.mayoclinic.org/blood-donor-program/plasma-platelet-donations
WEBYou may choose to give whole blood donations, platelets, double red blood cells or plasma donations. During a whole blood donation, you typically donate a pint (about a half liter) of whole blood. During a process called apheresis, you're hooked up to a machine that collects and separates blood components and returns unused components to you ...
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