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