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