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) AND epidemiology.\\\\\\ ) OR (\\\\ practical guide to statistics AND epidemiology.\\\\\\ ))*\\\\\ \\\\ \\\ \\.

Perhaps you should try some spelling variations:
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