Polyvinylpyrrolidone.
D000818:Animals; D002417:Cattle; D011232:Chemical Precipitation; D005169:Factor VIII / Q000032:analysis*; D005340:Fibrinogen / Q000032:analysis*; D006801:Humans; D011205:Povidone
D005169:Factor VIII; D005340:Fibrinogen; D011205:Povidone