RT Journal Article
SR Electronic
T1 AUTHORS' REPLY
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 871
OP 871
DO 10.1136/thx.48.8.871-a
VO 48
IS 8
A1 D R Taylor
A1 M R Sears
YR 1993
UL http://thorax.bmj.com/content/48/8/871.2.abstract
AB