“无形之物”可以位居榜首。
The "invisible" can top.
作者信息
Levick R K, Spitz L
出版信息
Br J Radiol. 1977 Aug;50(596):594-6. doi: 10.1259/0007-1285-50-596-594.
PMID:890237
Abstract
The hazard of ingestion of a beverage can top in a child is presented. These can tops are susprisingly low radio density and their presence can be overlooked on a conventional P.A. X ray of the chest. In such cases a lateral radiograph of the chest should be included in the routine investigation of the child.
摘要
文中介绍了儿童摄入饮料罐拉环的危害。这些拉环的放射密度低得出奇，在常规胸部后前位X线片上其存在可能被忽视。在这种情况下，胸部侧位X线片应纳入儿童的常规检查中。
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