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

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

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