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 OR \\\\ practice) guidebook to (((biostatistics OR statistical) OR (biostatistics OR statistical)) OR (biostatistics OR statistical)) AND epidemiology.\\\\ ) OR ((\\\\ practical OR \\\\ practice) guide to statistics AND epidemiology.\\\\ ))~\\\ \\ \*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ (((\\\\ practical OR \\\\ practice) guidebook to (((biostatistics OR statistical) OR (biostatistics OR statistical)) OR (biostatistics OR statistical)) and epidemiology.\\\\ ) OR ((\\\\ practical OR \\\\ practice) guide to statistics AND epidemiology.\\\\ ))~\\\ \\ \*".