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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ \\\\ ((\\\\ ((practice guidebook) OR (practical guidebook)) to (biostatistics OR (biostatistical OR statistical)) AND epidemiology.\\\\\ ) OR (\\\\ practical guide to statistics AND epidemiology.\\\\\ ))~\\\\ \\\ \\ \".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ ((\\\\ ((practice guidebook) OR (practical guidebook)) to (biostatistics OR (biostatistical OR statistical)) AND epidemiology.\\\\\ ) OR (\\\\ practical guide to statistics AND epidemiology.\\\\\ ))~\\\\ \\\ \\ \*.