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

• If you are trying to use Boolean operators, they must be ALL CAPS: \ \\ \\\ \\\\ \\\\\ \\\\\\ \\\\\\\ \\\\\\\\ \\\\\\\\\ \\\\\\\\\\ ((\\\\\\\\\\\ practical guidebook to ((((statistical OR statistical) OR (statistical OR statistical)) OR (statistical OR statistical)) OR (statistical OR statistical)) AND epidemiology.\\\\\\\\\\\ ) OR (((\\\\\\\\\\\ practical guide to statistics AND epidemiology.\\\\\\\\\\\ ) OR (\\\\\\\\\\\ practice guide to statistics AND epidemiology.\\\\\\\\\\\ ))))~\\\\\\\\\\ \\\\\\\\\ \\\\\\\\ \\\\\\\ \\\\\\ \\\\\ \\\\ \\\ \\ \.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ \\\\ \\\\\ \\\\\\ \\\\\\\ \\\\\\\\ \\\\\\\\\ \\\\\\\\\\ ((\\\\\\\\\\\ practical guidebook to ((((statistical OR statistical) OR (statistical OR statistical)) OR (statistical OR statistical)) OR (statistical OR statistical)) and epidemiology.\\\\\\\\\\\ ) OR (((\\\\\\\\\\\ practical guide to statistics and epidemiology.\\\\\\\\\\\ ) OR (\\\\\\\\\\\ practice guide to statistics and epidemiology.\\\\\\\\\\\ ))))~\\\\\\\\\\ \\\\\\\\\ \\\\\\\\ \\\\\\\ \\\\\\ \\\\\ \\\\ \\\ \\ \".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ \\\\\ \\\\\\ \\\\\\\ \\\\\\\\ \\\\\\\\\ \\\\\\\\\\ ((\\\\\\\\\\\ practical guidebook to ((((statistical OR statistical) OR (statistical OR statistical)) OR (statistical OR statistical)) OR (statistical OR statistical)) and epidemiology.\\\\\\\\\\\ ) OR (((\\\\\\\\\\\ practical guide to statistics and epidemiology.\\\\\\\\\\\ ) OR (\\\\\\\\\\\ practice guide to statistics and epidemiology.\\\\\\\\\\\ ))))~\\\\\\\\\\ \\\\\\\\\ \\\\\\\\ \\\\\\\ \\\\\\ \\\\\ \\\\ \\\ \\ \*.