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. 2008 Apr 16;2(4):e222. doi: 10.1371/journal.pntd.0000222

Figure 4. Circadian emergence of Schistosoma mansoni and Schistosoma rodhaini cercariae from naturally infected snails from the Lake Victoria region of Kenya.

Figure 4

The mean and standard error are given based on 226 emergence profiles of S. mansoni and 27 for S. rodhaini. Light intensity is represented by the mean of all trials. Time units are hourly units beginning with 0:00–1:00 hours.