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)