Frömel Karel, Sigmund Erik, El Ansari Walid, & Sigmundová Dagmar. (2011). Secular trends: A ten-year comparison of the amount and type of physical activity and inactivity of random samples of adolescents in the Czech Republic. BMC.
Chicago Style (17th ed.) CitationFrömel Karel, Sigmund Erik, El Ansari Walid, and Sigmundová Dagmar. Secular Trends: A Ten-year Comparison of the Amount and Type of Physical Activity and Inactivity of Random Samples of Adolescents in the Czech Republic. BMC, 2011.
MLA (9th ed.) CitationFrömel Karel, et al. Secular Trends: A Ten-year Comparison of the Amount and Type of Physical Activity and Inactivity of Random Samples of Adolescents in the Czech Republic. BMC, 2011.
Warning: These citations may not always be 100% accurate.