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 (biostatistics OR biostatistical)) OR (biostatistical OR (biostatistics OR biostatistical))) AND epidemiology.\\\ ) OR (\\\ practical guide to statistics AND epidemiology.\\\ ))~\\ \*.

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