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 OR practice) guidebook to (statistics OR biostatistical) AND epidemiology.\\\\\ ) OR (\\\\ (practical OR practice) guide to statistical AND epidemiology.\\\\\ ))*\\\\ \\\ \\ \~".
• Adding a wildcard symbol may retrieve word variants: \ \\ \\\ \\\\ ((\\\\ (practical OR practice) guidebook to (statistics OR biostatistical) AND epidemiology.\\\\\ ) OR (\\\\ (practical OR practice) guide to statistical AND epidemiology.\\\\\ ))*\\\\ \\\ \\ \*.