RT Journal Article SR Electronic T1 Conditional expanding post-exposure prophylaxis: a potential new tool for tuberculosis control JF ERJ Open Research JO erjor FD European Respiratory Society SP 00723-2020 DO 10.1183/23120541.00723-2020 VO 7 IS 1 A1 Henan Xin A1 Qi Jin A1 Lei Gao YR 2021 UL http://openres.ersjournals.com/content/7/1/00723-2020.abstract AB