Tung-Chen, Yale Dementia due to primary hyperparathyroidism: A lesson learned from delayed diagnosis. [electronic resource] - Revista espanola de geriatria y gerontologia - 181-2 p. digital Publication Type: Journal Article ISSN: 1578-1747 Standard No.: 10.1016/j.regg.2015.07.011 doi Subjects--Topical Terms: Delayed DiagnosisDementia--diagnosisDiagnosis, DifferentialHumansHyperparathyroidism, Primary--diagnosis