IJSR International Journal of Scientific Research 2277 - 8179 Indian Society for Health and Advanced Research ijsr-12-12-53686 Original Research Paper Role Of Gastric Lavage And Broncho-Alveolar Lavage In The Bacteriological Diagnosis Of Childhood Pulmonary Tuberculosis Ajay Patwardhan Dr. Dr Brajendra Kumar Dr. December 2023 12 12 01 02