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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ ((\\\ practical guidebook to (biostatistics OR statistics) AND epidemiology.\\\ ) OR (((\\\ practical guide to statistical AND epidemiology.\\\ ) OR (\\\ practice guide to statistical AND epidemiology.\\\ ))))~\\ \".
• Adding a wildcard symbol may retrieve word variants: \ \\ ((\\\ practical guidebook to (biostatistics OR statistics) AND epidemiology.\\\ ) OR (((\\\ practical guide to statistical AND epidemiology.\\\ ) OR (\\\ practice guide to statistical AND epidemiology.\\\ ))))~\\ \*.