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 guidebook to ((biostatistical OR (biostatistics OR biostatistical)) OR (biostatistical OR (biostatistics OR biostatistical))) AND epidemiology.\\\ ) OR (\\\ practical guide to statistics AND epidemiology.\\\ ))~\\ \*".