RT Journal Article SR Electronic T1 Improved survival in ARDS: chance, technology or experience? JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 237 OP 238 DO 10.1136/thx.53.4.237 VO 53 IS 4 A1 S BAUDOUIN YR 1998 UL http://thorax.bmj.com/content/53/4/237.abstract AB