Montserrat-Capdevila J, Godoy P, Marsal JR, Cruz I, Solanes M. Effectiveness of influenza vaccination in preventing hospital admission due to exacerbations of chronic obstructive pulmonary disease. Enferm Infecc Microbiol Clin. 2014 Feb;32(2):70-5. doi: 10.1016/j.eimc.2013.02.009
Smets E, Brogan AJ, Hill A, Adriaenssen I, Sawyer AW, Domingo-Pedrol P, Gostkorzewicz J, Ledesma F. Comparative cost-effectiveness analysis between darunavir/ritonavir and other protease inhibitors in treatment-naive human immunodeficiency syndrome type 1-infected patients in Spain. Enferm Infecc Microbiol Clin. 2013 Aug;31(7):430-6.
Serna MC, Real J, Ribes E, Marsal JR, Godoy P, Galvin L. Factors determining antibiotic prescription in primary care. Enferm Infecc Microbiol Clin. 2011 Mar;29(3):193-200. doi: 10.1016/j.eimc.2010.09.012
Niaura R, Britt DM, Shadel WG, Goldstein M, Abrams D, Brown R. Symptoms of depression and survival experience among three samples of smokers trying to quit. Psychol Addict Behav. 2001 Mar 1;15(1):13-7.
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.