title: Letter to the editor: Distinguishing typical primary hyperparathyroidism from familial hypocalciuric hypercalcemia by using an index of urinary calcium.
authors: Genetics and Endocrinology Section National Institute of Diabetes and Digestive and Kidney Diseases National Institutes of Health, Bethesda Maryland 20892.
authors: Stephen J
authors: SJ
authors: Marx
mesh_terms: D058070:Asymptomatic Diseases / Q000628:therapy*; D004704:Endocrinology / Q000592:standards*; D019317:Evidence-Based Medicine / Q000592:standards*; D006801:Humans; D049950:Hyperparathyroidism, Primary / Q000175:diagnosis* / Q000628:therapy*; D017410:Practice Guidelines as Topic