... intolerance(LPI). Hum. Mol. Gen. 9, 431–438.42. Kamada, Y., Nagaretani, H., Tamura, S., Ohama, T., Maruyama,T.,Hiraoka,H.,Yamashita,S.,Yamada ,A. ,Kiso,S.,Inui,Y.,Ito, N., Kayanoki, Y., Kawata, ... theaddition of cold 2Mperchloric acid. Extracts were neutral-ized and analyzed for the cGMP content by RIA kit.Data analysisData are the mean ± SD of at least four independentdeterminations, each ... experimental[9–11] and clinical studies [12–15] demonstrated that thedecrease of vascular and platelet NO activity can be reversedby oral and intravenous administration of L-arginine. ThustheL-arginine...