J Pediatr Endocrinol Metab
December 2006
Background: The recent introduction of new automated assays needs careful definition of reference values in healthy children. The aim of this study was to determine serum parathyroid hormone (PTH) and osteocalcin in a large group of healthy children according to age.
Methods: We selected 2,288 healthy children (1,079 girls, 1,209 boys), aged 2-16 years.