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

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

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