Conclusion The polymorphism of haplotype TGC is associated with KBD.

结论单倍型TGC与大骨节病具有相关性。

Objective To further understand the tendency of Kaschin-Beck disease (KBD) and the influence of associated factors on KBD state to provide data for KBD control.

目的进一步掌握陕西省大骨节病病情消长态势和相关环境因素对大骨节病发生、发展的影响，为今后大骨节病的防治决策提供依据。

ObjectiveTo build up systematic methods for the observation on epidemiologic problems about adult KBD.

目的为成人大骨节病病情动态研究,构建观察标志和方法.

Methods Using the epidemiologic methods of intervention, to compare the effect of Se supplement, Vit C supplement and cereals dryness on KBD's treatment.

方法用干预实验的流行病学方法，分别对补硒、补维生素C、主食粮食干燥治疗大骨节病的效果进行对比研究。