Gomersall T, Spencer S, Basarir H, Tsuchiya A, Clegg J, Sutton A, Dickinson K. Measuring quality of life in children with speech and language difficulties: a systematic review of existing approaches. Int J Lang Commun Disord. 2015 Jul;50(4):416-35. doi: 10.1111/1460-6984.12147
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
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