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