BMJ : British medical journal
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Randomized Controlled Trial Multicenter Study Clinical Trial
Evaluation of aid to diagnosis of pigmented skin lesions in general practice: controlled trial randomised by practice.
To determine whether an aid to the diagnosis of pigmented skin lesions reduces the ratio of benign lesions to melanomas excised in general practice. ⋯ Provision of the algorithm and camera did not decrease the ratio of benign pigmented skin lesions to melanomas excised by general practitioners.
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Randomized Controlled Trial Clinical Trial
Past exposure to sun, skin phenotype, and risk of multiple sclerosis: case-control study.
To examine whether past high sun exposure is associated with a reduced risk of multiple sclerosis. ⋯ Higher sun exposure during childhood and early adolescence is associated with a reduced risk of multiple sclerosis. Insufficient ultraviolet radiation may therefore influence the development of multiple sclerosis.
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Randomized Controlled Trial Clinical Trial
Impact of supplementing newborn infants with vitamin A on early infant mortality: community based randomised trial in southern India.
To assess the impact of supplementing newborn infants with vitamin A on mortality at age 6 months. ⋯ Supplementing newborn infants with vitamin A can significantly reduce early infant mortality.