RT Journal Article
SR Electronic
T1 AUTHORS' REPLY
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 1182
OP 1182
DO 10.1136/thx.49.11.1182
VO 49
IS 11
A1 Van Schayck, C P
A1 Van Herwaarden, C L A
YR 1994
UL http://thorax.bmj.com/content/49/11/1182.1.abstract
AB