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Lesions at different time intervals after steam-inflicted burns. The Arabic numerals represent the seconds of steam exposure (one second, three and seven seconds). The roman numerals represent the time intervals at which the lesions were examined once the heat was removed from the rat's skin (I = 20 minutes, II = 48 hours, III = 72 hours, VII = 7 days, XIV = 14 days, XXI = 21 days).
