You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: \ \\ \\\ \\\\ \\\\\ ((\\\\\\ practical guidebook to (((statistical OR ((biostatistics OR statistical) OR statistical)) OR (statistical OR ((biostatistics OR statistical) OR statistical))) OR (statistical OR ((biostatistics OR statistical) OR statistical))) AND epidemiology.\\\\\\ ) OR (((\\\\\\ practical guide to statistics AND epidemiology.\\\\\\ ) OR (\\\\\\ practice guide to statistics AND epidemiology.\\\\\\ ))))~\\\\\ \\\\ \\\ \\.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ \\\\ \\\\\ ((\\\\\\ practical guidebook to (((statistical OR ((biostatistics OR statistical) OR statistical)) OR (statistical OR ((biostatistics OR statistical) OR statistical))) OR (statistical OR ((biostatistics OR statistical) OR statistical))) and epidemiology.\\\\\\ ) OR (((\\\\\\ practical guide to statistics and epidemiology.\\\\\\ ) OR (\\\\\\ practice guide to statistics and epidemiology.\\\\\\ ))))~\\\\\ \\\\ \\\ \\".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ \\\\\ ((\\\\\\ practical guidebook to (((statistical OR ((biostatistics OR statistical) OR statistical)) OR (statistical OR ((biostatistics OR statistical) OR statistical))) OR (statistical OR ((biostatistics OR statistical) OR statistical))) and epidemiology.\\\\\\ ) OR (((\\\\\\ practical guide to statistics and epidemiology.\\\\\\ ) OR (\\\\\\ practice guide to statistics and epidemiology.\\\\\\ ))))~\\\\\ \\\\ \\\ \\*.