You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: \ \\ \\\ \\\\ ((\\\\\ practical guidebook to (((biostatistics OR (statistics OR biostatistics)) OR (biostatistics OR (statistics OR biostatistics))) OR (biostatistics OR (statistics OR biostatistics))) AND epidemiology.\\\\\ ) OR (((\\\\\ practical guide to statistical AND epidemiology.\\\\\ ) OR (\\\\\ practice guide to statistical AND epidemiology.\\\\\ ))))~\\\\ \\\ \\ \.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ \\\\ ((\\\\\ practical guidebook to (((biostatistics OR (statistics OR biostatistics)) OR (biostatistics OR (statistics OR biostatistics))) OR (biostatistics OR (statistics OR biostatistics))) and epidemiology.\\\\\ ) OR (((\\\\\ practical guide to statistical and epidemiology.\\\\\ ) OR (\\\\\ practice guide to statistical and epidemiology.\\\\\ ))))~\\\\ \\\ \\ \".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ ((\\\\\ practical guidebook to (((biostatistics OR (statistics OR biostatistics)) OR (biostatistics OR (statistics OR biostatistics))) OR (biostatistics OR (statistics OR biostatistics))) and epidemiology.\\\\\ ) OR (((\\\\\ practical guide to statistical and epidemiology.\\\\\ ) OR (\\\\\ practice guide to statistical and epidemiology.\\\\\ ))))~\\\\ \\\ \\ \*.