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Effect of cooling on skin lesions induced by sulfur mustard (HD) and lewisite (L) vapor in hairless guinea pigs. Animals were exposed to HD or L vapor for 2, 4, and 6 minutes. The exposure sites were then left at either room temperature (top panels) or cooled (approximately 10°C) for 4 hours (L) or 6 hours (HD, bottom panels). The figure depicts the appearance of skin lesions on three animals at 72 hours posttreatment.
