Effectiveness of Preventive Therapy for Persons Exposed at Home to Drug-Resistant Tuberculosis, Karachi, Pakistan. - Malik, Amyn A.; Gandhi, Neel R.; Lash, Timothy L.; Cranmer, Lisa M.; Omer, Saad B.; Ahmed, Junaid F.; Siddiqui, Sara; Amanullah, Farhana; Khan, Aamir J.; Keshavjee, Salmaan; Hussain, Hamidah; Becerra, Mercedes C. (Emerging Infectious Diseases, 2021)