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

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

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