Low-dose N-acetylcysteine protects rats against endotoxin-mediated oxidative stress, but high-dose increases mortality. - Sprong,R.C.; Winkelhuyzen-Janssen,A.M.; Aarsman,C.J.; Oirschot,J.F van.; Bruggen,T van der.; Asbeck,B.S van. (Am J Respir Crit Care Med, 1998)