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Acronym Finder has 2 verified definitions for PETN
It was absent in those injured away from the centre of explosion or among patients who had no skin injury [3]. From this event we have reported on four cases that could indicate the presence of toxic substances absorbed by the casualties through their injuries or via inhalation. It was postulated that the bizarre hyperinflammatory state resulted from absorption of a particular explosive, penta- erythritol- tetra- nitrate.