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 ((biostatistics OR statistical) OR statistical) 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 ((biostatistics OR statistical) OR statistical) AND epidemiology.\\\ ) OR (\\ practical guide to statistics AND epidemiology.\\\ ))*\\*".