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