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