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Young SL, Israel-Ballard KA, Dantzer EA, Ngonyani MM, Nyambo MT, Ash DM, Chantry CJ.Young SL, et al.Public Health Nutr. 2010 Dec;13(12):2027-33. doi: 10.1017/S1368980010001539. Epub 2010 Jun 29.Public Health Nutr. 2010.PMID: 20587116Free PMC article.