Fig. 1From: Pretreatment loss to follow-up of tuberculosis patients in Chennai, India: a cohort study with implications for health systems strengtheningThe process of diagnosis and linkage to care for smear-positive tuberculosis patients referred for initial treatment in the outpatient or inpatient setting. TB = tuberculosis; DMC = designated microscopy center; DOT = directly observed therapy; RNTCP = Revised National Tuberculosis Control ProgrammeBack to article page