Nitric oxide and regulation of heart rate in patients with postural tachycardia syndrome and healthy subjects.
Gamboa A, Okamoto LE, Raj SR, Diedrich A, Shibao CA, Robertson D, Biaggioni I. Nitric oxide and regulation of heart rate in patients with postural tachycardia syndrome and healthy subjects. Hypertension. 2013 Feb; 61(2):376-81.