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 statistics) and epidemiology.\\ ) OR (\\ practical guide to statistical and epidemiology.\\ ))~\*.

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