What do we know about Carrel Smith?

A.He is a 63-year-old doctor studying the preventing of cancer. B.He is working at M. D. Anderson Cancer Center and taking part in the trial. C.He is wondering about taking selenium and vitamin E supplements in preventing cancer. D.His ex-brother-in-law was diagnosed to have prostate cancer.

时间:2023-12-19 20:09:01

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