Tajima, M Tetrahydrobiopterin impairs the action of endothelial nitric oxide via superoxide derived from platelets. [electronic resource] - British journal of pharmacology Nov 2000 - 958-64 p. digital Publication Type: Journal Article ISSN: 0007-1188 Standard No.: 10.1038/sj.bjp.0703648 doi Subjects--Topical Terms: AnimalsBiopterins--analogs & derivativesBlood Platelets--enzymologyEndothelium, Vascular--drug effectsHumansIndomethacin--pharmacologyNADPH Oxidases--metabolismNitric Oxide--antagonists & inhibitorsNitric Oxide Synthase--physiologyNitric Oxide Synthase Type IIIPlatelet Aggregation Inhibitors--pharmacologyRabbitsSuperoxide Dismutase--metabolismSuperoxides--metabolism