# 介绍

- [1-复杂的关联性研究](/mendelian_randomization/jie-shao/1-fu-za-de-guan-lian-xing-yan-jiu.md)
- [2-工具变量](/mendelian_randomization/jie-shao/2-gong-ju-bian-liang.md)
- [3-孟德尔随机化](/mendelian_randomization/jie-shao/3-meng-de-er-sui-ji-hua.md)
- [4-单一样本孟德尔随机化](/mendelian_randomization/jie-shao/4-dan-yi-yang-ben-meng-de-er-sui-ji-hua.md)