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

• The words AND, OR and NOT may confuse the search; try adding quotes: "\"\\"(((((\\"practical OR \\"practice) guidebook to biostatistics AND epidemiology.\\\") OR ((\\"practical OR \\"practice) guidebook to biostatistical AND epidemiology.\\\"))) OR ((\\"practical OR \\"practice) guide to statistics AND epidemiology.\\\"))*\\"\"".
• Removing quotes may allow a broader search: ((((( practical OR practice) guidebook to biostatistics AND epidemiology.\ ) OR (( practical OR practice) guidebook to biostatistical AND epidemiology.\ ))) OR (( practical OR practice) guide to statistics AND epidemiology.\ ))*.