Effect of beta-carotene supplementation on the immune function of blood monocytes from healthy male non-smokers.

Hughes D. A., Wright A. J. A., Finglas P. M., Peerless A. C. J., Bailey A. L., Astley S. B., Pinder A. C., Southon S.. (1997)

Journal of Laboratory and Clinical Medicine, 129, 309-317