Microfiltration of stored blood regardless of age of storage.
D001772:Blood Cell Count; D001792:Blood Platelets / Q000166:cytology; D001793:Blood Preservation; D001800:Blood Specimen Collection; D005374:Filtration / Q000379:methods*; D006801:Humans; D010974:Platelet Aggregation; D011655:Pulmonary Embolism / Q000517:prevention & control; D013997:Time Factors