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 biostatistical) AND epidemiology.\\ ) OR (((\\ practical guidebook to (biostatistical OR biostatistical) AND epidemiology.\\ ) OR (((\\ practical guide to (biostatistical OR biostatistical) AND epidemiology.\\ ) OR (\\ practical guide to ((((biostatistical OR biostatistical) OR (biostatistical OR biostatistical)) OR (biostatistical OR biostatistical)) OR (biostatistical OR biostatistical)) AND epidemiology.\\ ))))))) OR (\\ practice guide to statistical AND epidemiology.\\ ))~\*".