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