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