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 guidebook to ((biostatistical OR biostatistics) OR statistics) AND epidemiology.\\\\ ) OR (\\\\ ((practice guide) OR (practical guide)) to statistical AND epidemiology.\\\\ ))~\\\ \\".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ ((\\\\ practical guidebook to ((biostatistical OR biostatistics) OR statistics) AND epidemiology.\\\\ ) OR (\\\\ ((practice guide) OR (practical guide)) to statistical AND epidemiology.\\\\ ))~\\\ \\*.