id	keyword
cet-15089	pcl
cet-15089	ppy
cet-15089	scaffolds
cet-15089	tissue
cet-15089	pcl+ppy
cet-15089	engineering
cet-15089	properties
cet-15089	diameter
cet-15089	fiber
cet-15089	polypyrrole
cet-15089	electrospun