Sheldon, Robert S <br/><br/>
Design and use of a quantitative scale for measuring presyncope.  [electronic resource] 

 -  Journal of cardiovascular electrophysiology  Aug 2009 
 - 888-93 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1540-8167 
<br/><br/><label>Standard No.: </label>10.1111/j.1540-8167.2009.01466.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Double-Blind Method<br/>Evaluation Studies as Topic<br/>Female<br/>Follow-Up Studies<br/>Humans<br/>Male<br/>Metoprolol--therapeutic use<br/>Middle Aged<br/>Research Design--standards<br/>Severity of Illness Index<br/>Syncope--diagnosis<br/>Weights and Measures--standards<br/>Young Adult