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