@misc{9415,
  author = {P. Briggs and C. Praet and S. Humphreys and C. Zhao},
  title = {Impact of UK Medical Eligibility Criteria implementation on prescribing of combined hormonal contraceptives},
  year = {2013},
  journal = {J Fam Plann Reprod Health Care},
  volume = {39},
  number = {3},
  pages = {190-6},
  issn = {1471-1893 (Print) 1471-1893},
  doi = {10.1136/jfprhc-2012-100376},
}