Guidelines for graded exercise testing and exercise prescription / 
American College of Sports Medicine. 
 - 2nd ed. 
 - Philadelphia :  Lea & Febiger,  1980. 
 - 151 p. ;  20 cm. 
<br/><br/><label>ISBN: </label>0812107691 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Exercise therapy.<br/>Cardiovascular patients--Rehabilitation.<br/>Exercise tests.<br/>Exercise Test.<br/>Exertion.