Intravenous administration of N-acetylcysteine: oral and parenteral formulations are both acceptable.
Lavonas EJ, Beuhler MC, Ford MD, Kerns WP, Rouse AM, Tomaszewski CA, Wittler MA. Intravenous administration of N-acetylcysteine: oral and parenteral formulations are both acceptable. Ann Emerg Med. 2005 Feb; 45(2):223-4.