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Morphology of the PLLA/CMS/β-TCP composite nanofibers with different compositions of β-TCP at different magnifications of 2000× and 10,000× (a,b) PLLA/CMS (c,d) 0.25% β-TCP, (e,f) 0.5% β-TCP, (g,h) 0.75% β-TCP and (i,j) 1% β-TCP in PLLA/CMS.
