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