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