Comment on

• Improving the outcome of severe head injury with the oxygen radical scavenger polyethylene glycol-conjugated superoxide dismutase: a phase II trial.

  Muizelaar JP, Marmarou A, Young HF, Choi SC, Wolf A, Schneider RL, Kontos HA. Muizelaar JP, et al. J Neurosurg. 1993 Mar;78(3):375-82. doi: 10.3171/jns.1993.78.3.0375. J Neurosurg. 1993. PMID: 8433137 Clinical Trial.