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