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There is need to develop low cost, practical, and accurate measures of physical activity in children and adolescents, and self-report is a promising methodology for children that is applicable for large studies. The purpose of the present study was to assess the reliability and validity of several self-reports of physical activity. Subjects were 36 fifth-,(More)
The model outputs from extranet MARSOP of MARS unit from JRC-ISPRA were not designed for a direct use as yield forecast. This study investigated if there is any simple possibility for an external user to obtain early yield estimation for different regions of Romania, based on remote sensing data, also available on this site. The Normalized Difference(More)
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