??????? ??? ???? ???? ????? ‘????○R(????) ???? ?’? ??? ??? ???? ?? ??? ?? ??? ???? ??? ??? ‘????○R(????)?’? ????. 1? 1? 1? ???? ? 12?? ??? ? 7?? ???? ??? ?? ???? ???? ??? ?? ??? ??? ??. ???????????(USPSTF)? 1? ???? ???? ?? 0.8mg? 2012? ?? WHO 1? ???? ?? 60mg? ???? ??.
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