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) OR statistical) AND epidemiology.\\\ ) OR (\ practice guide to statistics AND epidemiology.\\\ ))*\.

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