Cancela Carral, José María <br/><br/>
[Analysis of the reliability and validity of three self-report questionnaires to assess physical activity among Spanish adolescents].  [electronic resource] 

 -  Gaceta sanitaria   
 - 333-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1578-1283 
<br/><br/><label>Standard No.: </label>10.1016/j.gaceta.2016.04.009  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Exercise<br/>Fitness Trackers--statistics & numerical data<br/>Humans<br/>Oxygen Consumption<br/>Psychometrics<br/>Reproducibility of Results<br/>Self Report--standards<br/>Surveys and Questionnaires--standards