RT Journal Article SR Electronic T1 Standardization of spirometry and single breath DLCO tests JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 293 OP 296 DO 10.1183/09031936.93.01040293 VO 1 IS 4 A1 RM Gardner A1 RO Crapo A1 DB Teculescu YR 1988 UL http://erj.ersjournals.com/content/1/4/293.abstract AB