Cholecalciferol (vitamin D3) and the retinoid N-(4-hydroxyphenyl)retinamide (4-HPR) are synergistic for chemoprevention of prostate cancer
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Prostate cancer, the most commonly diagnosed cancer among American men, develops slowly over many years. The long latent period of 20 to 30 years, involved in the multistep process of carcinogenesis, provides an important opportunity to block or reverse progre... ...
