Vos, T (2012. december 15.). „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. o. DOI:10.1016/S0140-6736(12)61729-2. PMID 23245607.
Vos, T (2012. december 15.). „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. o. DOI:10.1016/S0140-6736(12)61729-2. PMID 23245607.