title: Pupillary mobility and skin colour.
mesh_terms: D044383:Black People; D003116:Color; D006801:Humans; D010656:Phenylephrine / Q000494:pharmacology; D010858:Pigmentation; D011680:Pupil / Q000187:drug effects*; D014326:Tropanes / Q000494:pharmacology
chemical_list: D014326:Tropanes; D010656:Phenylephrine