The effect of varying concentrations of enzyme activity in papaya latex (A) and in papain (B) on the motility of Heligmosomoides bakeri in vitro. Standard errors are given for the control (0 μM) groups and in selected treated groups only, to retain clarity. For the full statistical analysis of these and related data, see Stepek et al. . Reprinted with permission.
Behnke et al. Parasites & Vectors 2008 1:29 doi:10.1186/1756-3305-1-29