Black, RE «Global, regional, and national causes of child mortality in 2008: a systematic analysis». Lancet, vol. 375, 9730, Jun 5, 2010, pàg. 1969–87. DOI: 10.1016/S0140-6736(10)60549-1. PMID: 20466419.
Black, RE «Global, regional, and national causes of child mortality in 2008: a systematic analysis». Lancet, vol. 375, 9730, Jun 5, 2010, pàg. 1969–87. DOI: 10.1016/S0140-6736(10)60549-1. PMID: 20466419.