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I would add
\documentclass{article}
as a first line...
HTH
Martin
Kit Baum:
Use some routine (such as estout or tabout) to produce a table from
each of the 12 studies as an external file in smcl, html, tex or
whatever you prefer. Then you can just examine them as a single
document. In LaTeX that would be very simple because you could just
\begin{document}
\input{case01}
\input{case02}
...
\input{case12}
\end{document}
in a single .tex document.
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