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

• Removing quotes may allow a broader search: \ ((\ practice guidebook to (biostatistical OR (biostatistics OR statistics)) and epidemiology.\\ ) OR (\ practice guide to statistical and epidemiology.\\ ))~.

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