The WHO cross-national study of health behavior in school-aged children from 35 countries: findings from 2001-2002.

Jazyk: angličtina
Zdroj: The Journal of school health [J Sch Health] 2004 Aug; Vol. 74 (6), pp. 204-6.
DOI: 10.1111/j.1746-1561.2004.tb07933.x
Databáze: MEDLINE
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