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