Article Text
Therapeutics
Daily use of β carotene supplements did not prevent skin cancer, but daily sunscreen use reduced the incidence of squamous cell carcinomas
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Footnotes
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Sources of funding: National Health and Medical Research Council of Australia. Sunscreen supplied by Ross Cosmetics Australia and Woolworths Limited. β carotene supplements and placebo supplied by Roche Vitamins and Fine Chemicals.
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For correspondence: Professor A Green, Queensland Institute of Medical Research, PO Royal Brisbane Hospital, Queensland 4029, Australia. Fax +61 7 3362 0101.