l-Arginine is not the limiting factor for nitric oxide synthesis by human alveolar macrophages in vitro
R.B.R. Muijsers, N.H.T. ten Hacken, I. Van Ark, G. Folkerts, F.P. Nijkamp, D.S. Postma
European Respiratory Journal Oct 2001, 18 (4) 667-671; DOI: 10.1183/09031936.01.00101301