Katsuki, S <br/><br/>
Physical exercise for persons of middle and elder age in relation to their physical ability.  [electronic resource] 

 -  The Journal of sports medicine and physical fitness  Sep 1969 
 - 193-9 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-4707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Age Factors<br/>Aged<br/>Female<br/>Humans<br/>Male<br/>Middle Aged<br/>Physical Exertion<br/>Physical Fitness