title: An unsteady walk in the park.
authors.affiliation: Division of Emergency Medicine, Department of Pediatrics, The Children's Hospital of Philadelphia and The University of Pennsylvania, School of Medicine, Philadelphia, PA, USA. blackstone@email.chop.edu
authors.forename: Mercedes
authors.initials: M
authors.lastname: Blackstone
authors.forename: James
authors.initials: J
authors.lastname: Callahan
mesh_terms: D001259:Ataxia / Q000139:chemically induced*; D002188:Cannabis / Q000506:poisoning*; D002675:Child, Preschool; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male