RT Journal Article
SR Electronic
T1 Sildenafil does not improve 6 min walk distance in advanced idiopathic pulmonary fibrosis
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 239
OP 239
DO 10.1136/thx.2010.145664
VO 66
IS 3
A1 M Lavender
YR 2011
UL http://thorax.bmj.com/content/66/3/239.abstract
AB