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