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