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