Before starting anti-TNF agents, patients underwent screening for LTBI, including a postero-anterior chest radiograph and the QuantiFERON-TB Gold In-Tube (QFT-GIT) assay (Cellestis GmbH, QIAGEN Inc
Before starting anti-TNF agents, patients underwent screening for LTBI, including a postero-anterior chest radiograph and the QuantiFERON-TB Gold In-Tube (QFT-GIT) assay (Cellestis GmbH, QIAGEN Inc. both...