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