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

• Performing a fuzzy search may retrieve terms with similar spellings: \ ((\\ practical guidebook to (((statistical OR biostatistics) OR (statistical OR biostatistics)) OR (statistical OR biostatistics)) AND epidemiology.\\ ) OR (\\ practical guide to statistics AND epidemiology.\\ ))*\~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ ((\\ practical guidebook to (((statistical OR biostatistics) OR (statistical OR biostatistics)) OR (statistical OR biostatistics)) AND epidemiology.\\ ) OR (\\ practical guide to statistics AND epidemiology.\\ ))*\*".