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