• 2021-04-14 问题

    Ifanewdrugdecreasestheriskofbreastcancerinpostmenopausalwomenfrom0.3%peryearto0.15%peryear,whichofthefollowingaccuratelydescribesthechangeinrisk?

    Ifanewdrugdecreasestheriskofbreastcancerinpostmenopausalwomenfrom0.3%peryearto0.15%peryear,whichofthefollowingaccuratelydescribesthechangeinrisk?

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