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24 Delisle H, Strychar I (2006) Obesity at adolescence: prevention is timely even in low income countries. UNSCN news. 3: 51-57.
26 Glanz k, Rimer B, Viswanath K (2008) Health behavior and health education: theory, research and practice (4th edn). Jossey-Bass Publishers, San Francisco, USA.
27 Center for diseases control and prevention. Child and teen BMI calculator.
28 Paillé P, Mucchielli A (2008) L'analyse qualitative en sciences humaines et sociales ( 2nd edn). Armand Colin Publisher, Paris, France.
24 Delisle H, Strychar I (2006) Obesity at adolescence: prevention is timely even in low income countries. UNSCN news. 3: 51-57.