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