Barr FE, Tirona RG, Taylor MB, Rice G, Arnold J, Cunningham G, Smith HA, Campbell A, Canter JA, Christian KG, Drinkwater DC, Scholl F, Kavanaugh-McHugh A, Summar ML. Pharmacokinetics and safety of intravenously administered citrulline in children undergoing congenital heart surgery: potential therapy for postoperative pulmonary hypertension. J Thorac Cardiovasc Surg. 2007 Aug; 134(2):319-26.