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

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