You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: \ ((( practical OR practice) guidebook to ((biostatistical OR ((biostatistics OR statistics) OR biostatistical)) OR (biostatistical OR ((biostatistics OR statistics) OR biostatistical))) AND epidemiology.\\ ) OR (( practical OR practice) guide to statistical AND epidemiology.\\ ))*\~.
• 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 (biostatistical OR ((biostatistics OR statistics) OR biostatistical))) AND epidemiology.\\ ) OR (( practical OR practice) guide to statistical AND epidemiology.\\ ))*\*".