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Ott JJ, Ullrich A, Mascarenhas M, Stevens GA.Ott JJ, et al. Among authors: ullrich a.J Public Health (Oxf). 2011 Jun;33(2):223-33. doi: 10.1093/pubmed/fdq076. Epub 2010 Oct 8.J Public Health (Oxf). 2011.PMID: 20935133
Ullrich A, Ott JJ, Vitoria M, Martin-Moreno JM, Atun R.Ullrich A, et al.Lancet. 2011 Feb 19;377(9766):639-40. doi: 10.1016/S0140-6736(11)60233-X.Lancet. 2011.PMID: 21334535No abstract available.