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