Harris, S S Neonatal hyperparathyroidism: the natural course in the absence of surgical intervention. [electronic resource] - Pediatrics Jan 1989 - 53-6 p. digital Publication Type: Case Reports; Journal Article ISSN: 0031-4005 Subjects--Topical Terms: FemaleHumansHypercalcemia--complicationsHyperparathyroidism--etiologyInfant, Newborn