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