Figure 1From: Meperidine and skin surface warming additively reduce the shivering threshold: a volunteer studyReductions in the shivering threshold versus control. Bars indicate means ± standard deviation. Combo, actual effect of skin warming plus meperidine; Mep, meperidine; Skin, skin warming; Skin & Mep, calculated additive effect of skin warming plus meperidine.Back to article page