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

• If you are trying to use Boolean operators, they must be ALL CAPS: \ \\ ((((\\\ practice guidebook to (biostatistical OR biostatistics) AND epidemiology.\\\ ) OR (((\\\ practical guidebook to (biostatistical OR biostatistics) AND epidemiology.\\\ ) OR (\\\ practical guidebook to ((biostatistical OR biostatistics) OR (biostatistical OR biostatistics)) AND epidemiology.\\\ ))))) OR (\\\ practical guide to statistics AND epidemiology.\\\ ))~\\ \*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ ((((\\\ practice guidebook to (biostatistical OR biostatistics) and epidemiology.\\\ ) OR (((\\\ practical guidebook to (biostatistical OR biostatistics) and epidemiology.\\\ ) OR (\\\ practical guidebook to ((biostatistical OR biostatistics) OR (biostatistical OR biostatistics)) and epidemiology.\\\ ))))) OR (\\\ practical guide to statistics and epidemiology.\\\ ))~\\ \*".