Vekeman F, Gauthier-Loiselle M, Faust E, Lefebvre P, Lahoz R, Duh MS, Sacco P. Patient and caregiver burden associated with fragile x syndrome in the United States. Am J Intellect Dev Disabil. 2015 Sep;120(5):444-59. doi: 10.1352/1944-7558-120.5.444
Becker N, Fortuny J, Alvaro T, Nieters A, Maynadie M, Foretova L, Staines A, Brennan P, Boffetta P, Cocco PL, de Sanjose S. Medical history and risk of lymphoma: results of a European case-control study (EPILYMPH). J Cancer Res Clin Oncol. 2009 Aug;135(8):1099-107. doi: 10.1007/s00432-009-0551
Rothman KJ. Computation of exact confidence intervals for the odds ratio. Int J Biomed Comput. 1975 Jan;6(1):33-9.
Rothman KJ. Computer analysis for case-control studies with individual matching. Int J Biomed Comput. 1974 Oct;5(4):241-7.