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

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

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