Role of Flexible Fiberoptic Bronchoscopy in Sputum Smear Negative Pulmonary Tuberculosis Patients Undergoing Treatment Under Revised National Tuberculosis Control Programme (RNTCP) Journal title: INTERNATIONAL JOURNAL OF CURRENT RESEARCH IN MEDICAL SCIENCES Authors: Naveen Pandhi1 , NC Kajal 2 , Balbir Malhotra2 , Nishanth. P. S3 , Amarendra Kumar Shukla3 , Ashi Si... Subject(s):