Aggarwal, Ashutosh Nath <br/><br/>
Joint Indian Chest Society-National College of Chest Physicians (India) guidelines for spirometry.  [electronic resource] 

 -  Lung India : official organ of Indian Chest Society  Apr 2019 
 - S1-S35 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0970-2113 
<br/><br/><label>Standard No.: </label>10.4103/lungindia.lungindia_300_18  doi