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

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

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