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