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