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• Performing a fuzzy search may retrieve terms with similar spellings: (((("practical guidebook to biostatistical and epidemiology.") OR ((("practical guidebook to statistical and epidemiology.") OR ("practice guidebook to statistical and epidemiology."))))) OR ("practical guide to statistics and epidemiology."))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"practical guidebook to biostatistical and epidemiology.\") OR (((\"practical guidebook to statistical and epidemiology.\") OR (\"practice guidebook to statistical and epidemiology.\"))))) OR (\"practical guide to statistics and epidemiology.\"))".
• Removing quotes may allow a broader search: (((( practical guidebook to biostatistical and epidemiology. ) OR ((( practical guidebook to statistical and epidemiology. ) OR ( practice guidebook to statistical and epidemiology. ))))) OR ( practical guide to statistics and epidemiology. )).
• Adding a wildcard symbol may retrieve word variants: (((("practical guidebook to biostatistical and epidemiology.") OR ((("practical guidebook to statistical and epidemiology.") OR ("practice guidebook to statistical and epidemiology."))))) OR ("practical guide to statistics and epidemiology."))*.