title: A biphasic effect of prostacyclin (PGI2) on platelet aggregation.
mesh_terms: D000244:Adenosine Diphosphate / Q000494:pharmacology; D000818:Animals; D001241:Aspirin / Q000494:pharmacology; D000242:Cyclic AMP / Q000378:metabolism; D004176:Dipyridamole / Q000494:pharmacology; D011464:Epoprostenol / Q000494:pharmacology*; D006801:Humans; D007093:Imidazoles / Q000494:pharmacology; D010974:Platelet Aggregation / Q000187:drug effects*; D011449:Prostaglandin Endoperoxides / Q000494:pharmacology; D011453:Prostaglandins / Q000494:pharmacology*; D011817:Rabbits; D051381:Rats; D013917:Thrombin / Q000494:pharmacology; D013930:Thromboxane-A Synthase / Q000037:antagonists & inhibitors
chemical_list: D007093:Imidazoles; D011449:Prostaglandin Endoperoxides; D011453:Prostaglandins; D000244:Adenosine Diphosphate; D004176:Dipyridamole; D011464:Epoprostenol; D000242:Cyclic AMP; D013917:Thrombin; D013930:Thromboxane-A Synthase; D001241:Aspirin