title: The relationship between platelet aggregation and time interval after venepuncture.
mesh_terms: D000244:Adenosine Diphosphate / Q000494:pharmacology; D001772:Blood Cell Count; D001792:Blood Platelets; D001800:Blood Specimen Collection; D003094:Collagen / Q000494:pharmacology; D003404:Creatinine / Q000494:pharmacology; D004837:Epinephrine / Q000494:pharmacology; D006801:Humans; D006863:Hydrogen-Ion Concentration; D010973:Platelet Adhesiveness / Q000187:drug effects*; D013997:Time Factors
chemical_list: D000244:Adenosine Diphosphate; D003094:Collagen; D003404:Creatinine; D004837:Epinephrine