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

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

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