Influence of energy drinks on the risk of overweight and obesity among high school students from Southern Poland / Błaszczyk-Bębenek Ewa , Jagielski Paweł , Schlegel-Zawadzka Małgorzata // Hrana i Ishrana. - 2016 vol. 57 no. 1, p. 7-12. - ISSN 0018-6872. - eISSN 2560-452X. - http://hrana-ishrana.org/wp-content/uploads/2016/11/HRANA-I-ISHRANA-57-1-PRIPREMA-NBS.pdf