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: \ \\ ((((((\\\ practical guidebook to biostatistics AND epidemiology.\\\ ) OR (\\\ practical guidebook to biostatistics AND epidemiology.\\\ ))) OR (((\\\ practice guidebook to (((statistics OR biostatistics) OR biostatistics) OR biostatistics) AND epidemiology.\\\ ) OR (\\\ practice guidebook to biostatistics AND epidemiology.\\\ ))))) OR (\\\ practical guide to statistical AND epidemiology.\\\ ))~\\ \.
• 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 (((\\\ practice guidebook to (((statistics OR biostatistics) OR biostatistics) OR biostatistics) and epidemiology.\\\ ) OR (\\\ practice guidebook to biostatistics and epidemiology.\\\ ))))) OR (\\\ practical guide to 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 (((\\\ practice guidebook to (((statistics OR biostatistics) OR biostatistics) OR biostatistics) and epidemiology.\\\ ) OR (\\\ practice guidebook to biostatistics and epidemiology.\\\ ))))) OR (\\\ practical guide to statistical and epidemiology.\\\ ))~\\ \*.