RT Journal Article SR Electronic T1 Acute pulmonary embolism and chronic thromboembolic pulmonary hypertension: is there a relationship? JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 137 OP 140 DO 10.1183/09031936.93.04020137 VO 4 IS 2 A1 J Widimsky YR 1991 UL http://erj.ersjournals.com/content/4/2/137.abstract AB