title: Letter regarding article by Kaufmann et al, "systemic inhibition of nitric oxide synthase unmasks neural constraint of maximal myocardial blood flow in humans".
authors.forename: Henry
authors.initials: H
authors.lastname: Gewirtz
mesh_terms: D000241:Adenosine / Q000494:pharmacology / Q000627:therapeutic use; D003326:Coronary Circulation / Q000187:drug effects*; D006321:Heart / Q000294:innervation; D016027:Heart Transplantation; D006801:Humans; D052248:Nitric Oxide Synthase Type I / Q000037:antagonists & inhibitors*; D019323:omega-N-Methylarginine / Q000494:pharmacology / Q000627:therapeutic use
chemical_list: D019323:omega-N-Methylarginine; D052248:Nitric Oxide Synthase Type I; D000241:Adenosine