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) OR (practical guidebook)) to ((((biostatistical OR statistical) OR (biostatistical OR statistical)) OR (biostatistical OR statistical)) OR (biostatistical OR statistical)) AND epidemiology.\\\") OR (\\"practical guide to statistics AND epidemiology.\\\"))*\\"\"".
• Removing quotes may allow a broader search: (( ((practice guidebook) OR (practical guidebook)) to ((((biostatistical OR statistical) OR (biostatistical OR statistical)) OR (biostatistical OR statistical)) OR (biostatistical OR statistical)) AND epidemiology.\ ) OR ( practical guide to statistics AND epidemiology.\ ))*.