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