Saigi N, Espelt A, Folch C, Sarasa-Renedo A, Castellano Y, Majo X, Merono M, Brugal MT, Casabona J, REDAN Group. Differences in illegal drug consumption between native and immigrants in a large sample of injected drug users in Catalonia (Spain). Adicciones. 2014;26(1):69-76. doi: 10.20882/adicciones.136
Fleming AD, Philip S, Goatman KA, Sharp PF, Olson JA. Automated clarity assessment of retinal images using regionally based structural and statistical measures. Med Eng Phys. 2012 Sep 1;34(7):849-59. doi: 10.1016/j.medengphy.2011.09.027