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