Parental determinants of overweight and obesity in Iranian adolescents: a national study.

Iran J Pediatr · 2012 · PMC3448213 · PMID 23056857

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a decreasing trendno p-value reported

A decreasing trend in the prevalence of under-nutrition has been identified in the developing countries including Iran [ 4 ].

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.