RT Journal Article SR Electronic T1 The perpetual enigma of bronchoalveolar lavage fluid lymphocytosis in chronic hypersensitivity pneumonitis: is it of diagnostic value? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2001534 DO 10.1183/13993003.01534-2020 VO 56 IS 2 A1 Francesco Bonella A1 Ulrich Costabel YR 2020 UL http://erj.ersjournals.com/content/56/2/2001534.abstract AB