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

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

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