Vasudevan Vishnu Au. <br/><br/>
To assess the efficacy of sildenafil in improving the exercise capasity and quality of life in copd patients with secondary pulmonary hypertension    A randomized, placebo controlled, double blinded study 

 -  2013 
 - 81p.  p.  cm. 
<br/><br/><label>Standard No.: </label>12226 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MEDICINE