RT Journal Article SR Electronic T1 Use of near fatal asthma for investigating asthma deaths. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 1093 OP 1094 DO 10.1136/thx.48.11.1093 VO 48 IS 11 A1 R Beasley A1 N Pearce A1 J Crane YR 1993 UL http://thorax.bmj.com/content/48/11/1093.abstract AB