Alsina-Pages RM, Freixes M, Orga F, Foraster M, Labairu-Trenchs A. Perceptual evaluation of the citizen's acoustic environment from classic noise monitoring. Cities & health. 2020 Mar 11;5(1-2):145-9. doi: 10.1080/23748834.2020.1737346
Navarro P, Ascaso C, Garcia-Esteve L, Aguado J, Torres A, Martín-Santos R. Postnatal psychiatric morbidity: a validation study of the GHQ-12 and the EPDS as screening tools. General Hospital Psychiatry. 2007 Jan;29(1):1-7.
Michels KB, Rothman KJ. Update on unethical use of placebos in randomised trials. Bioethics. 2003 Apr;17(2):188-204.