title: Unusual volunteers sniff out fun in hospital's halls.
mesh_terms: D000818:Animals; D002648:Child; D002673:Child, Hospitalized / Q000523:psychology*; D002675:Child, Preschool; D004285:Dogs; D006744:Hospital Bed Capacity, 100 to 299; D006776:Hospitals, Pediatric / Q000458:organization & administration; D001841:Human-Animal Bond; D006801:Humans; D009820:Ohio