Fung, IC; Cairncross, S. (март 2009). „Ascariasis and handwashing.”. Transactions of the Royal Society of Tropical Medicine and Hygiene. 103 (3): 215—22. PMID18789465. doi:10.1016/j.trstmh.2008.08.003.
Lozano, R (15. 12. 2012). „Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010.”. Lancet. 380 (9859): 2095—128. PMID23245604. S2CID1541253. doi:10.1016/S0140-6736(12)61728-0.
Fung, IC; Cairncross, S. (март 2009). „Ascariasis and handwashing.”. Transactions of the Royal Society of Tropical Medicine and Hygiene. 103 (3): 215—22. PMID18789465. doi:10.1016/j.trstmh.2008.08.003.
Lozano, R (15. 12. 2012). „Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010.”. Lancet. 380 (9859): 2095—128. PMID23245604. S2CID1541253. doi:10.1016/S0140-6736(12)61728-0.
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Lozano, R (15. 12. 2012). „Global and regional mortality from 235 causes of death for 20 age groups in 1990 and 2010: a systematic analysis for the Global Burden of Disease Study 2010.”. Lancet. 380 (9859): 2095—128. PMID23245604. S2CID1541253. doi:10.1016/S0140-6736(12)61728-0.