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25148.
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A clinical trial of beta carotene to prevent basal-cell and squamous-cell cancers of the skin. The Skin Cancer Prevention Study Group. [electronic resource] by
- Greenberg, E R
- Baron, J A
- Stukel, T A
- Stevens, M M
- Mandel, J S
- Spencer, S K
- Elias, P M
- Lowe, N
- Nierenberg, D W
- Bayrd, G
Producer: 19901003
In:
The New England journal of medicine vol. 323
Availability: No items available.
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