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) AND epidemiology.\\\\\ ) OR (((\\\\\ practical guidebook to (statistical OR statistical) AND epidemiology.\\\\\ ) OR (((\\\\\ practical guide to (statistical OR statistical) AND epidemiology.\\\\\ ) OR (((\\\\\ practical guide to ((statistical OR statistical) OR (statistical OR statistical)) AND epidemiology.\\\\\ ) OR (\\\\\ practical guide to (statistical OR statistical) 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) and epidemiology.\\\\\ ) OR (((\\\\\ practical guidebook to (statistical OR statistical) and epidemiology.\\\\\ ) OR (((\\\\\ practical guide to (statistical OR statistical) and epidemiology.\\\\\ ) OR (((\\\\\ practical guide to ((statistical OR statistical) OR (statistical OR statistical)) and epidemiology.\\\\\ ) OR (\\\\\ practical guide to (statistical OR statistical) and epidemiology.\\\\\ ))))))))) OR (\\\\\ practice guide to statistics and epidemiology.\\\\\ ))~\\\\ \\\ \\".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ ((((\\\\\ practical guidebook to (statistical OR statistical) and epidemiology.\\\\\ ) OR (((\\\\\ practical guidebook to (statistical OR statistical) and epidemiology.\\\\\ ) OR (((\\\\\ practical guide to (statistical OR statistical) and epidemiology.\\\\\ ) OR (((\\\\\ practical guide to ((statistical OR statistical) OR (statistical OR statistical)) and epidemiology.\\\\\ ) OR (\\\\\ practical guide to (statistical OR statistical) and epidemiology.\\\\\ ))))))))) OR (\\\\\ practice guide to statistics and epidemiology.\\\\\ ))~\\\\ \\\ \\*.