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 biostatistics)) OR ((biostatistical OR biostatistics) OR (biostatistical OR biostatistics))) OR (((biostatistical OR biostatistics) OR (biostatistical OR biostatistics)) OR ((biostatistical OR biostatistics) OR (biostatistical OR biostatistics)))) 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 biostatistics)) OR ((biostatistical OR biostatistics) OR (biostatistical OR biostatistics))) OR (((biostatistical OR biostatistics) OR (biostatistical OR biostatistics)) OR ((biostatistical OR biostatistics) OR (biostatistical OR biostatistics)))) AND epidemiology.\ ) OR ((\ practical OR \ practice) guide to statistics AND epidemiology.\ )).