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EDX spectrum of microstructure fabricated by femtosecond laser irradiation with N = 1, I = 1.5 × 1015 W/cm2 of thepolymer/ceramic composite—70% Ch/30% HAp/ZrO2. Table (upper right): EDX spectra showing the atomic percentages of O, C, Ca, P, Zr, Na, Cl.
