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