RT Journal Article SR Electronic T1 Immune functions of constitutive pulmonary cells: the salt in the soup JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2106 OP 2107 DO 10.1183/09031936.94.07122106 VO 7 IS 12 A1 C Kroegel A1 U Costabel YR 1994 UL http://erj.ersjournals.com/content/7/12/2106.abstract AB