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Observations in vivo on the Tensile Properties of Human Skin

The cooling effect of steroids injected into the knee in patients with rheumatoid arthritis was studied by a simple technique of external temperature measurement. A radiometer, sensitive to radiant heat emitted from the skin, was used to measure the temperature of an area of skin over the front of the knee. Further information was obtained by following the rate of re-warming of the skin after cooling the knee with an ice-pack.