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