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Wilderness & Environmental Medicine > 2011 > 22 > 1 > 54-57
Journal of the Neurological Sciences > 1996 > 136 > 1-2 > 143-147
Wilderness & Environmental Medicine > 2011 > 22 > 1 > 54-57
Journal of the Neurological Sciences > 1996 > 136 > 1-2 > 143-147