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