Climent M, Hidalgo N, Vidal O, Puig S, Iglesias M, Cuatrecasas M, Ramon JM, Garcia-Albeniz X, Grande L, Pera M. Postoperative complications do not impact on recurrence and survival after curative resection of gastric cancer. Eur J Surg Oncol. 2016 Jan;42(1):132-9. doi: 10.1016/j.ejso.2015.08.163
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.