“…Most of the PK studies published report on S-hyo or atropine in humans after administration by the ocular, [4] oral, [3,27] sublingual, [28] rectal, [29] inhalational, [14,16] i.m., . [12,17,20,[29][30][31][32][33][34] or i.v. [8,11,12,15,18,21,35] route.…”