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 statistical) OR (biostatistical OR statistical)) 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 statistical OR biostatistical OR statistical AND epidemiology.\\\ OR \\\ practical OR practice guide to statistics AND epidemiology.\\\ *\\ \" » "\ \\ \\\ practical OR practice guidebook to biostatistics OR statistical OR biostatistics OR statistical AND epidemiology.\\\ OR \\\ practical OR practice guide to statistics AND epidemiology.\\\ *\\ \" (Expand Search)