Neilson G, Hossack K F
Br Heart J. 1978 Oct;40(10):1190-2. doi: 10.1136/hrt.40.10.1190.
A case of subvalvular aortic stenosis in one of a set of dissimilar twins is reported. The case is discussed in terms of the aetiological factors involved and supports the view that supravalvular aortic stenosis is not environmental and may be genetic in origin.
本文报道了一对异卵双胞胎中的一例瓣下主动脉狭窄病例。从相关病因学因素方面对该病例进行了讨论，并支持了以下观点：瓣上主动脉狭窄并非由环境因素导致，可能源于遗传因素。
