... detection of AFB in sputum samples of patients with pulmonary tuberculosis in tertiary healthcare facilities which have a large number of cases and financial constraints Ethical Approval The study was ... (TB) laboratory investigations in tertiary healthcare facilities which have a large number of cases and financial constraints The present study aimed to re-evaluate the efficiency of smear microscopy ... Research Article Biology and Medicine, (1): 32-36, 2012 www.biolmedonline.com Diagnosis of pulmonary tuberculosis by smear microscopy and culture in a tertiary health care facility *SI Khatib1,3,...