title: Rubber ducky races.
authors.affiliation: University of Minnesota Medical School, Minneapolis, Minnesota, USA. rsonnino@umn.edu
authors.forename: Roberta E
authors.initials: RE
authors.lastname: Sonnino
mesh_terms: D007396:Internship and Residency; D010988:Play and Playthings; D013337:Students, Medical; D014925:Wit and Humor as Topic