1. F.S., Palmer, R.M.J. & Higgs, E.A. Nitric oxide: physiology, pathophysiology and pharmacology. Pharmacol. Rev. 43, 109–142 (1991).
2. Dawson, T.M. & Snyder, S.H. Gases as biological messengers: nitric oxide and carbon monoxide in the brain. J. Neurvsci. 14, 5147–5159 (1994).
3. Handschumacher, R.E., Harding, M.W., Rice, J., Drugge, R.J. & Speicer, D.W. Cyclophilin: A specific cytosolic binding protein for cyclosporin A. Science 226, 544–547 (1984).
4. Fischer, G., Bang, H. & Mech, C. Determination I of enzymatic catalysis for the cis-fraws-isomerization of peptide binding in projine-containing peptides. Biomed. Biochim. Acta. 43, 1101–1111 (1984).
5. Fischer, G., Wittmann-Liebold, B., Lang, K., Kiefhaber, T. & Schmid, F.X. Cyclophilin and peptidyl-prolyl cis-trans isomerase are probably identical proteins. Nature 340, 351–352 (1989).