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) 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) and epidemiology.\\\\ ) OR ((\\ practical OR \\ practice) guide to statistics and epidemiology.\\\\ ))~\\\ \\ \*".