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