Plasma concentration of asymmetric dimethylarginine, an endogenous inhibitor of nitric oxide synthase, is elevated in monkeys with hyperhomocyst(e)inemia or hypercholesterolemia - Böger,R.H.; Bode-Böger,S.M.; Sydow,K.; Heistad,D.D.; Lentz,S.R. (Arterioscler Thromb Vasc Biol, 2000)