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
Varadhachary GR, Karanth S, Qiao W, Carlson HR, Raber MN, Hainsworth JD, Greco FA. Carcinoma of unknown primary with gastrointestinal profile: immunohistochemistry and survival data for this favorable subset. Int J Clin Oncol. 2014;19(3):479-84. doi: 10.1007/s10147-013-0583-0
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