RT Journal Article SR Electronic T1 The clinical role of BAL in pulmonary histiocytosis X JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 949 OP 950 DO 10.1183/09031936.93.03080949 VO 3 IS 8 A1 C Danel A1 D Israel-Biet A1 U Costabel A1 GA Rossi A1 B Wallaert YR 1990 UL http://erj.ersjournals.com/content/3/8/949.abstract AB