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

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

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