title: The effect of urea on the aggregation of normal human platelets.
mesh_terms: D000227:Adenine Nucleotides / Q000494:pharmacology; D001792:Blood Platelets / Q000187:drug effects*; D003720:Densitometry; D004492:Edetic Acid / Q000494:pharmacology; D004837:Epinephrine / Q000494:pharmacology; D006493:Heparin / Q000494:pharmacology; D066298:In Vitro Techniques; D009638:Norepinephrine / Q000494:pharmacology; D055095:Optics and Photonics; D013917:Thrombin / Q000494:pharmacology; D014508:Urea / Q000494:pharmacology*
chemical_list: D000227:Adenine Nucleotides; D014508:Urea; D006493:Heparin; D004492:Edetic Acid; D013917:Thrombin; D009638:Norepinephrine; D004837:Epinephrine