@misc{9480,
  author = {J. Busby and K. Schroeder and W. Woltersdorf and J. Sterne and Y. Ben-Shlomo and A. Hay and W. Hollingworth},
  title = {Temporal growth and geographic variation in the use of laboratory tests by NHS general practices: using routine data to identify research priorities},
  year = {2013},
  journal = {Br J Gen Pract},
  volume = {63},
  number = {609},
  pages = {256-66},
  issn = {0960-1643},
  doi = {10.3399/bjgp13X665224},
}