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 (biostatistics OR statistics) AND epidemiology.\\ ) OR (\\ practical guidebook to ((biostatistics OR statistics) 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 (biostatistics OR statistics) AND epidemiology.\\ ) OR (\\ practical guidebook to ((biostatistics OR statistics) OR (biostatistics OR statistics)) AND epidemiology.\\ ))) OR (\\ ((practice guide) OR (practical guide)) to statistical AND epidemiology.\\ ))*\*.