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 biostatistics) AND epidemiology.\\\ ) OR (\\\ ((practice guide) OR (practical guide)) to statistical AND epidemiology.\\\ ))~\.

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