RT Journal Article
SR Electronic
T1 Sildenafil is useful in pulmonary arterial hypertension
JF Thorax
JO Thorax
FD BMJ Publishing Group Ltd and British Thoracic Society
SP 176
OP 176
DO 10.1136/thx.2005.la0190
VO 61
IS 2
A1 R L Karadi
YR 2006
UL http://thorax.bmj.com/content/61/2/176.abstract
AB