You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: \ \\ ((\\\ practical guidebook to (biostatistics OR (biostatistical OR statistical)) AND epidemiology.\\\ ) OR (\\\ practice guide to statistics AND epidemiology.\\\ ))~\\ \*.

Perhaps you should try some spelling variations:
"\ \\ \\\ practical guidebook to biostatistics OR biostatistical OR statistical AND epidemiology.\\\ OR \\\ practice guide to statistics AND epidemiology.\\\ \*" » "\ \\ \\\ practical guide to biostatistics OR biostatistical OR statistical AND epidemiology.\\\ OR \\\ practice guide to statistics AND epidemiology.\\\ \*" (Expand Search), "\ \\ \\\ practical guidebook to biostatistics OR biostatistical OR statistical AND epidemiology.\\\ OR \\\ practical guide to statistics AND epidemiology.\\\ \*" (Expand Search)