Harvard Catalyst Profiles

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Vitamin A supplementation and plasma retinol levels: a randomized trial among women.

Willett WC, Stampfer MJ, Underwood BA, Sampson LA, Hennekens CH, Wallingford JC, Cooper L, Hsieh CC, Speizer FE. Vitamin A supplementation and plasma retinol levels: a randomized trial among women. J Natl Cancer Inst. 1984 Dec; 73(6):1445-8.

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Funded by the NIH National Center for Advancing Translational Sciences through its Clinical and Translational Science Awards Program, grant number UL1TR002541.