Bassett, David R <br/><br/>
International physical activity questionnaire: 12-country reliability and validity.  [electronic resource] 

 -  Medicine and science in sports and exercise  Aug 2003 
 - 1396 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0195-9131 
<br/><br/><label>Standard No.: </label>10.1249/01.MSS.0000078923.96621.1D  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exercise<br/>Global Health<br/>Health Behavior<br/>Humans<br/>International Cooperation<br/>Motor Activity<br/>Population Surveillance--methods<br/>Reproducibility of Results<br/>Surveys and Questionnaires