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 ((((biostatistical OR statistics) OR (biostatistical OR statistics)) OR ((biostatistical OR statistics) OR (biostatistical OR statistics))) OR ((biostatistical OR statistics) OR (biostatistical OR statistics))) AND epidemiology.\\\ ) OR (\\ ((practice guide) OR (practical guide)) to statistical AND epidemiology.\\\ ))~\\ \".
• Adding a wildcard symbol may retrieve word variants: \ \\ ((\\ ((practice guidebook) OR (practical guidebook)) to ((((biostatistical OR statistics) OR (biostatistical OR statistics)) OR ((biostatistical OR statistics) OR (biostatistical OR statistics))) OR ((biostatistical OR statistics) OR (biostatistical OR statistics))) AND epidemiology.\\\ ) OR (\\ ((practice guide) OR (practical guide)) to statistical AND epidemiology.\\\ ))~\\ \*.