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 ((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) AND epidemiology.\\\\\ ) OR (\\\\\ practical guidebook to (biostatistical OR biostatistical) AND epidemiology.\\\\\ ))) OR (((\\\\\ practice guidebook to ((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) AND epidemiology.\\\\\ ) OR (\\\\\ practice guidebook to (biostatistical OR biostatistical) AND epidemiology.\\\\\ ))))) OR (\\\\\ practical guide to statistical AND epidemiology.\\\\\ ))~\\\\ \\\ \\ \.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ \\ \\\ \\\\ ((((((\\\\\ practical guidebook to ((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) and epidemiology.\\\\\ ) OR (\\\\\ practical guidebook to (biostatistical OR biostatistical) and epidemiology.\\\\\ ))) OR (((\\\\\ practice guidebook to ((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) and epidemiology.\\\\\ ) OR (\\\\\ practice guidebook to (biostatistical OR biostatistical) and epidemiology.\\\\\ ))))) OR (\\\\\ practical guide to statistical and epidemiology.\\\\\ ))~\\\\ \\\ \\ \".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ ((((((\\\\\ practical guidebook to ((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) and epidemiology.\\\\\ ) OR (\\\\\ practical guidebook to (biostatistical OR biostatistical) and epidemiology.\\\\\ ))) OR (((\\\\\ practice guidebook to ((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) and epidemiology.\\\\\ ) OR (\\\\\ practice guidebook to (biostatistical OR biostatistical) and epidemiology.\\\\\ ))))) OR (\\\\\ practical guide to statistical and epidemiology.\\\\\ ))~\\\\ \\\ \\ \*.