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 (biostatistical OR biostatistics) and epidemiology.\\\ ) OR (\ practice guide to statistical and epidemiology.\\\ ))~\\.

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