PT -期刊文章盟Kroegel C TI -空气way smooth muscle care about platelet-activating factor? DP - 1992 Sep 01 TA - European Respiratory Journal PG - 915--918 VI - 5 IP - 8 4099 - //www.qdcxjkg.com/content/5/8/915.short 4100 - //www.qdcxjkg.com/content/5/8/915.full SO - Eur Respir J1992 Sep 01; 5