Figure 2From: Increased levels of Treg cells in bronchoalveolar lavage fluid and induced sputum of patients with active pulmonary sarcoidosis ACE/Treg cell correlations in sarcoidosis (BBS) and hypersensitivity pneumonitis (HP). patients. Panel A - induced sputum in BBS, Panel B - induced sputum in HP, Panel C - BAL in BBS, and Panel D - BAL in HP patients.Back to article page