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