Vos, T (Dec 15, 2012). «Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010.». Lancet380 (9859): 2163-96. PMID23245607. doi:10.1016/S0140-6736(12)61729-2.
Vos, T (Dec 15, 2012). «Years lived with disability (YLDs) for 1160 sequelae of 289 diseases and injuries 1990-2010: a systematic analysis for the Global Burden of Disease Study 2010.». Lancet380 (9859): 2163-96. PMID23245607. doi:10.1016/S0140-6736(12)61729-2.