Volkert, R <br/><br/>
[Letter: Trampoline jumping].  [electronic resource] 

 -  Zeitschrift fur Allgemeinmedizin  Nov 1975 
 - 1440 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0300-8673 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Female<br/>Humans<br/>Male<br/>Spinal Diseases--etiology<br/>Sports