You may be able to get more results by adjusting your search query.

• Removing quotes may allow a broader search: \ \\ ((((\ practical guidebook to (biostatistical OR (((biostatistical OR biostatistical) OR biostatistical) OR biostatistical)) AND epidemiology.\\\ ) OR (\ practical guidebook to (biostatistical OR (((biostatistical OR biostatistical) OR biostatistical) OR biostatistical)) AND epidemiology.\\\ ))) OR (\ practical guide to statistical AND epidemiology.\\\ ))*\\ \~.

Perhaps you should try some spelling variations:
"\ \\ \ practical guidebook to biostatistical OR biostatistical OR biostatistical OR biostatistical OR biostatistical AND epidemiology.\\\ OR \ practical guidebook to biostatistical OR biostatistical OR biostatistical OR biostatistical OR biostatistical AND epidemiology.\\\ OR \ practical guide to statistical AND epidemiology.\\\ *\\ \ » "\ \\ \ practice guidebook to biostatistical OR biostatistical OR biostatistical OR biostatistical OR biostatistical AND epidemiology.\\\ OR \ practice guidebook to biostatistical OR biostatistical OR biostatistical OR biostatistical OR biostatistical AND epidemiology.\\\ OR \ practice guide to statistical AND epidemiology.\\\ *\\ \ (Expand Search), "\ \\ \ practical guidebook to biostatistics OR biostatistics OR biostatistics OR biostatistics OR biostatistics AND epidemiology.\\\ OR \ practical guidebook to biostatistics OR biostatistics OR biostatistics OR biostatistics OR biostatistics AND epidemiology.\\\ OR \ practical guide to statistical AND epidemiology.\\\ *\\ \ (Expand Search)