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 to biostatistical AND epidemiology.\\ ) OR (\ practice guidebook to biostatistical AND epidemiology.\\ ))) OR (\ practice guidebook to biostatistical AND epidemiology.\\ ))) OR (\ practice guide to (statistics OR statistical) AND epidemiology.\\ ))~\*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "\ ((((((\ practice guidebook to biostatistical and epidemiology.\\ ) OR (\ practice guidebook to biostatistical and epidemiology.\\ ))) OR (\ practice guidebook to biostatistical and epidemiology.\\ ))) OR (\ practice guide to (statistics OR statistical) and epidemiology.\\ ))~\*".