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Investigation of the effects of oral administration of vitamin E and beta-carotene on the chemiluminescence responses and the frequency of sister chromatid exchanges in circulating leukocytes from cigarette smokers.
Richards GA, Theron AJ, Van Rensburg CE, Van Rensburg AJ, Van der Merwe CA, Kuyl JM, Anderson R. Richards GA, et al. Among authors: anderson r. Am Rev Respir Dis. 1990 Sep;142(3):648-54. doi: 10.1164/ajrccm/142.3.648. Am Rev Respir Dis. 1990. PMID: 2167623 Clinical Trial.
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