✦ LIBER ✦
A clinical trial of beta carotene to prevent basal-cell and squamous cell cancers of the skin : ER Greenberg, JA Baron, TA Stukel, et al. N Engl J Med 1990; 323:789–794
- Book ID
- 118406396
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 139 KB
- Volume
- 12
- Category
- Article
- ISSN
- 1532-818X
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