RT Journal Article
SR Electronic
T1 Observational trials in pulmonary arterial hypertension: low scientific evidence but high clinical value
JF European Respiratory Journal
JO Eur Respir J
FD European Respiratory Society
SP 432
OP 434
DO 10.1183/09031936.00001607
VO 29
IS 3
A1 M. M. Hoeper
YR 2007
UL http://erj.ersjournals.com/content/29/3/432.abstract
AB