\begin{overpic}[width=0.49\textwidth]{cbk1_h_16_vein}
\put(1,74){\colorbox{white}{(\sublabel{cbk1_h_16_vein}) \href{http://dream.misasa.okayama-u.ac.jp/?q=20190311092525-010874}{cbk1_h_16_vein}}}
%%(\subref{cbk1_h_16_vein}) \href{cbk1_h_16_vein}
\color{red}
\put(47.3,25.7){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20170629151113-722843}{spot of ys_vein_CBK1a@23}} % 20170629151113-722843 % \vs(4331.9, -2532.5)
\put(49.1,40.2){\footnotesize \circle{0.7} \href{http://dream.misasa.okayama-u.ac.jp/?q=20190308113535-557337}{spot of to_vein_cbk1a_h@16}} % 20190308113535-557337 % \vs(4340.2, -2495.7)
%%scale 10 micro meter
\put(1,1){\line(1,0){5.0}}
\end{overpic}