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 biostatistical AND epidemiology.\\\ ) OR (\ practical guide to statistical AND epidemiology.\\\ ))*\\~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ ((\ practical guidebook to biostatistical AND epidemiology.\\\ ) OR (\ practical guide to statistical AND epidemiology.\\\ ))*\\*".