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