Gilboa-Negari Z ; Abu-Kaf S ; Huss E.. https://www.dovepress.com/a-cross-cultural-perspective-of-medical-clowning-comparison-of-its-eff-peer-reviewed-article-JPR.
,
2017
De Souza Silveira R ; Kratzenstein S ; Hain G... https://www.germanjournalsportsmedicine.com/archive/archive-2015/issue-9/general-nutrition-knowledge-questionnaire-modified-and-validated-for-use-in-german-adolescent-athletes/.
,
2015