Singhal, S <br/><br/>
Peak expiratory flow rate of children working in lock factories.  [electronic resource] 

 -  Indian journal of public health   
 - 47-8 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0019-557X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adolescent<br/>Analysis of Variance<br/>Child<br/>Employment<br/>Female<br/>Humans<br/>India<br/>Industry<br/>Male<br/>Peak Expiratory Flow Rate