补充说明:该文章名是通过pubmed搜索文章名《PGE2 and heparin are antiproliferative mediators for human airway
smooth muscle cells in culture 》所得,后者是在另一篇名为《Protein kinase C isoforms in human airway smooth
muscle cells: activation of PKC-z during proliferation》的文章中作为引用文献出现的。