title: Nucleotide nature of the vasoreactive substance from human placenta.
mesh_terms: D000225:Adenine; D000255:Adenosine Triphosphate; D000959:Antihypertensive Agents / Q000494:pharmacology; D000242:Cyclic AMP; D005260:Female; D006801:Humans; D009119:Muscle Contraction / Q000187:drug effects; D009125:Muscle Relaxants, Central / Q000494:pharmacology; D009130:Muscle, Smooth / Q000187:drug effects; D009705:Nucleosides / Q000494:pharmacology*; D009711:Nucleotides / Q000494:pharmacology*; D010924:Placental Extracts / Q000037:antagonists & inhibitors / Q000378:metabolism / Q000494:pharmacology*; D011225:Pre-Eclampsia; D011247:Pregnancy; D011687:Purines; D014665:Vasodilator Agents / Q000494:pharmacology
chemical_list: D000959:Antihypertensive Agents; D009125:Muscle Relaxants, Central; D009705:Nucleosides; D009711:Nucleotides; D010924:Placental Extracts; D011687:Purines; D014665:Vasodilator Agents; D000255:Adenosine Triphosphate; D000242:Cyclic AMP; D000225:Adenine