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

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