Figure 5From: Patterns of soil-transmitted helminth infection and impact of four-monthly albendazole treatments in preschool children from semi-urban communities in Nigeria: a double-blind placebo-controlled randomised trial Mean epg (± S.E.) ( A. lumbricoides ) in treated and placebo groups for females during the follow-up period. Treatment group N = 91, Placebo group N = 104.Back to article page