RT期刊文章SR电子T1呼吸with weaker respiratory muscles in pulmonary arterial hypertension JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 6 OP 8 DO 10.1183/09031936.04.00121004 VO 25 IS 1 A1 Naeije, R. YR 2005 UL //www.qdcxjkg.com/content/25/1/6.abstract AB