title: Flexible flatfeet in pre-school children.
authors.forename: Kit M
authors.initials: KM
authors.lastname: Song
mesh_terms: D002675:Child, Preschool; D018450:Disease Progression; D005260:Female; D005413:Flatfoot / Q000150:complications / Q000175:diagnosis* / Q000503:physiopathology*; D005684:Gait; D006801:Humans; D008297:Male; D011379:Prognosis; D018570:Risk Assessment