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

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

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