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 statistics AND epidemiology.\\\") OR (\\\"practice guide to statistics 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 statistics AND epidemiology.\ ) OR (\ practice guide to statistics AND epidemiology.\ ))))~.