title: Determining the biological age of the preschool child from a hand-wrist radiograph.
mesh_terms: D000365:Age Determination by Skeleton; D002675:Child, Preschool; D006166:Guatemala; D006225:Hand / Q000000981:diagnostic imaging* / Q000254:growth & development; D006801:Humans; D007223:Infant; D008297:Male; D010012:Osteogenesis; D014481:United States