The Nitric Oxide Signal Transduction System (F. Murad). Chemistry and Biochemistry of Nitric Oxide: Mechanisms of Mammalian Nitric Oxide Biosynthesis (P.L. Feldman et al.). Nitric Oxide Synthase Inhibitors: Mechanisms of Action and in vivo Studies (O.W. Griffith). Biosynthesis of Nitric Oxide (B. Mayer). Pharmacology and Drug Development: Initial Clinical Experience with the Intracavernous Application of the Nitric Oxide Donor Sin1 in the Treatment of Patients with Erectile Dysfunction (M.C. Truss et al.). Nitric Oxideinduced Lymphocyte Activation: A Role for G Proteins (H.M. Lander et al.). Nitric Oxide and the Respiratory and Cardiovascular Systems: The Role of Nitric Oxide in Nonadrenergic Noncholinergic Neural Relaxation of Mammalian Airway Smooth Muscle (L. Diamond et al.). Nitric Oxide: A Putative Modulator of Muscarinic Receptor in the Airways Smooth Muscles (N. Allon, Y. Meshulam). Vasculoprotective Actions of Nitric Oxide (A.M. Lefer). Nitric Oxide and Brain Functions: Nitric Oxide and Cerebrovascular Regulation (T. Dalkara, M.A. Moskowitz). Multiparametric Responses to Cortical Spreading Depression under Nitric Oxide Synthesis Inhibition (S. Meilin et al.). 19 additional articles. Index.