title: The importance of blood collection methods for assessment of platelet activation.
mesh_terms: D001779:Blood Coagulation Factors / Q000032:analysis*; D001800:Blood Specimen Collection; D002408:Catheters, Indwelling; D006801:Humans; D010974:Platelet Aggregation; D010976:Platelet Count; D010978:Platelet Factor 4 / Q000032:analysis*; D011863:Radioimmunoassay
chemical_list: D001779:Blood Coagulation Factors; D010978:Platelet Factor 4