Morris, N R <br/><br/>
Verbal numerical scales are as reliable and sensitive as visual analog scales for rating dyspnea in young and older subjects.  [electronic resource] 

 -  Respiratory physiology & neurobiology  Aug 2007 
 - 360-5 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't 
<br/><br/><label>ISSN: </label>1569-9048 
<br/><br/><label>Standard No.: </label>10.1016/j.resp.2007.01.006  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Aged<br/>Aging--physiology<br/>Analysis of Variance<br/>Dyspnea--physiopathology<br/>Female<br/>Humans<br/>Male<br/>Mathematics<br/>Pain Measurement--methods<br/>Psychometrics<br/>Reproducibility of Results<br/>Sensitivity and Specificity<br/>Verbal Behavior--physiology