@misc{8660,
  author = {N. Davies and K. Thomas and A. Taylor and G. Taylor and R. Martin and M. Munafo and F. Windmeijer},
  title = {How to compare instrumental variable and conventional regression analyses using negative controls and bias plots},
  year = {2017},
  journal = {Int J Epidemiol},
  volume = {46},
  number = {6},
  pages = {2067-2077},
  issn = {0300-5771},
  doi = {10.1093/ije/dyx014},
}