科學(xué)60秒:醫(yī)生昏昏欲睡 手術(shù)患者擔(dān)責(zé)
Over the years ____1____ limit the hours of hospital interns and residents. Because someone putting in a 100-hour workweek might not be at their best when deciding which medication to prescribe o...
奧巴馬提議適度削減政府開(kāi)支 (1)
The president says all the programs being eliminated or reduced are wasteful or unnecessary. "We can no longer afford to spend as if deficits don't matter and waste is not our problem. We can n...
遠(yuǎn)離乳腺癌 (1)
Ynte Schukken Cornell University Ithaca Cows, sheep, goats and other animals can get mastitis, an inflammation in the udder, the organ where milk is produced. Milk from an untreated cow is still...