546727.fig.003a
(a)
546727.fig.003b
(b)
546727.fig.003c
(c)
Figure 3: Comparison of the efficiency of DNA extraction by examining the mutation detectability in various numbers of PTC cells on archival smear slides. (a) Ammonium sulfate DNA extraction method; (b) Pinpoint Slide DNA Isolation System; (c) TaKaRa DEXPAT; PTC: papillary thyroid carcinoma; *N/A: not applicable.