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