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