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 (\ practical guidebook to biostatistics AND epidemiology.\\ ))) OR (\ practical guide to statistical AND epidemiology.\\ ))~\*.

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