Dart shooting is perhaps the best studied sexually selected behavior in stylommatophorans.

Both feminist and religiously inspired abolitionists have long viewed, and continue to view, male demand for commercial sex as a root cause of prostitution.

These barbarisms can not be allowed to continue; they must be crushed or civilization will collapse.

After washing, recombinant human CD28 protein (R&D Systems, Abingdon, UK) and samples were triplicately added and incubated for 2 hours at 37˚C.