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