@article{lu2017-29220677,
  author  = {Lu, Q. and Li, B. and Ou, D. and Erlendsdottir, M. and Powles, R. L. and Jiang, T. and Hu, Y. and Chang, D. and others},
  title   = {{A Powerful Approach to Estimating Annotation-Stratified Genetic Covariance via GWAS Summary Statistics}},
  journal = {American journal of human genetics},
  year    = {2017},
  doi     = {10.1016/j.ajhg.2017.11.001},
  pmid    = {29220677},
  url     = {https://doi.org/10.1016/j.ajhg.2017.11.001}
}