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Clinical Trial
. 1978 Sep 23;2(8091):649-51.
doi: 10.1016/s0140-6736(78)92760-5.

Response of plasma-25-hydroxyvitamin D to ultraviolet irradiation in long-stay geriatric patients

D Corless, S P Gupta, S Switala, J M Barragry, B J Boucher, R D Cohen, B L Diffey
Clinical Trial

Response of plasma-25-hydroxyvitamin D to ultraviolet irradiation in long-stay geriatric patients

D Corless et al. Lancet. .

Abstract

The response of plasma-25-hydroxyvitamin D (25[OH]D) to different exposures to ultraviolet irradiation has been studied in patients in long-stay geriatric wards. Increases sufficient to bring the plasma-25(OH)D into the normal range may be obtained with doses less than those required to produce erythema. The provision of such background irradiation may be a suitable method of preventing vitamin-D deficiency in elderly subjects who receive very little exposure to sunlight.

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