Knapik, Derrick M <br/><br/>
Timing and Reasons Behind Single-Sport Specialization in Soccer: A Survey of 64 Major League Soccer Athletes.  [electronic resource] 

 -  Sports health   
 - 355-360 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1941-0921 
<br/><br/><label>Standard No.: </label>10.1177/1941738120911373  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Child<br/>Child, Preschool<br/>Choice Behavior<br/>Cross-Sectional Studies<br/>Humans<br/>Male<br/>Mentoring<br/>Soccer--psychology<br/>Specialization<br/>Surveys and Questionnaires<br/>United States