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