Where were ye Nymphs, when the remorseless deep / clos'd o'er " the head of your lov'd Lycidas?"

诗歌大意：，“女神们，你们在哪里,当无情的海水漫过你们挚爱的利西达斯的头顶“

耶鲁公开课 - 弥尔顿课程节选

About half of children who go to the ER with head injuries get this radiation-heavy scan, and clinical observation first could help some who don't really need a CT avoid it.

NPR: Doc Groups Issue List Of Overused Tests, Therapies

When they arrived, the ER nurse at the local hospital thought Tyler looked fine, but Glowacz insisted on a head scan anyway.

CNN: 10 common kid health emergencies and what to do