Weatherall J A, Vlietinck R F, Van den Berghe H
Acta Genet Med Gemellol (Roma). 1979;28(4):377-9. doi: 10.1017/s0001566000008965.
The European Economic Community (EEC) is promoting a network of locally funded centers in the nine EEC countries, surveying a total of approximately 140,800 births per year for selected congenital malformations and multiple births. The objectives and aims of the study are explained and some of the methods to set guidelines detailed.
欧洲经济共同体（EEC）正在九个EEC国家推动建立一个由地方资助的中心网络，每年对约140,800例出生情况进行调查，以了解特定的先天性畸形和多胞胎情况。文中解释了该研究的目标和目的，并详细说明了一些制定指导方针的方法。
