Teixeira e Seabra, André Filipe <br/><br/>
Age and sex differences in physical activity of Portuguese adolescents.  [electronic resource] 

 -  Medicine and science in sports and exercise  Jan 2008 
 - 65-70 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>0195-9131 
<br/><br/><label>Standard No.: </label>10.1249/mss.0b013e3181593e18  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Age Factors<br/>Child<br/>Cross-Sectional Studies<br/>Female<br/>Health Behavior<br/>Health Status<br/>Health Status Indicators<br/>Humans<br/>Leisure Activities<br/>Male<br/>Motor Activity<br/>Portugal<br/>Schools<br/>Sex Factors<br/>Surveys and Questionnaires<br/>Time Factors<br/>Work