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)