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 statistics) OR biostatistical) OR ((biostatistics OR statistics) 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 statistics) OR biostatistical) OR ((biostatistics OR statistics) OR biostatistical)) AND epidemiology. ) OR ( practical guide to statistical AND epidemiology. ))*.