Serum ionized calcium, as well as phosphorus and parathyroid hormone, is associated with the plasma 1,25-dihydroxyvitamin D3 concentration in normal postmenopausal women

Recommended Dietary Allowances

1989 • 1,726 citations

Intestinal Calcium Absorption and Serum Vitamin D Metabolites in Normal Subjects and Osteoporotic Patients

1979 • 865 citations

Highly sensitive two-site immunoradiometric assay of parathyrin, and its clinical utility in evaluating patients with hypercalcemia.

1987 • 809 citations

A Microassay for 1,25-Dihydroxyvitamin D Not requiring High Performance Liquid Chromatography: Application to Clinical Studies*

1984 • 809 citations

The control of 25-hydroxyvitamin D metabolism by inorganic phosphorus

1973 • 781 citations

Control of 25-Hydroxycholecalciferol Metabolism by Parathyroid Glands

1972 • 661 citations

Basic and Clinical Concepts Related to Vitamin D Metabolism and Action

1977 • 578 citations

Regulation of 25-Hydroxycholecalciferol-1-Hydroxylase Activity in Kidney by Parathyroid Hormone

1973 • 525 citations

Regulation of Serum 1α,25-Dihydroxyvitamin D ₃ by Calcium and Phosphate in the Rat

1975 • 369 citations

Effect of Vitamin D Intake on Seasonal Variations in Parathyroid Hormone Secretion in Postmenopausal Women

1989 • 363 citations

Effect of dietary phosphorus on circulating concentrations of 1,25-dihydroxyvitamin D and immunoreactive parathyroid hormone in children with moderate renal insufficiency.

1984 • 360 citations

IMMUNOENZYMATIC ASSAY FOR ALPHA-FETOPROTEIN

1974 • 342 citations

Hormonal control of the renal conversion of 25-hydroxycholecalciferol to 1,25-dihydroxycholecalciferol

1972 • 332 citations

The Importance of Phosphate in Regulating Plasma 1,25-(OH)₂-Vitamin D Levels in Humans: Studies in Healthy Subjects, in Calcium-Stone Formers and in Patients with Primary Hyperparathyroidism*

1977 • 313 citations

A competitive protein-binding assay for 25-hydroxy-cholecalciferol and 25-hydroxyergocalciferol in serum

1974 • 302 citations

Hereditary Hypophosphatemic Rickets with Hypercalciuria

1985 • 281 citations

Physiologic regulation of the serum concentration of 1,25-dihydroxyvitamin D by phosphorus in normal men.

1989 • 270 citations

Oral intake of phosphorus can determine the serum concentration of 1,25-dihydroxyvitamin D by determining its production rate in humans.

1986 • 269 citations

Regulation of 25-Hydroxyvitamin D3-1-hydroxylase in Vivo

1974 • 253 citations

FAILURE OF FORMATION OF 1,25-DIHYDROXYCHOLECALCIFEROL IN CHRONIC RENAL INSUFFICIENCY

1973 • 220 citations

Effects of estrogen on circulating "free" and total 1,25-dihydroxyvitamin D and on the parathyroid-vitamin D axis in postmenopausal women.

1989 • 154 citations

The Effects of Oral CaCO₃Loading and Dietary Calcium Deprivation on Plasma 1,25-Dihydroxyvitamin D Concentrations in Healthy Adults*

1979 • 131 citations

Calcium malabsorption in the elderly: the effect of treatment with oral 25‐hydroxyvitamin D₃

1983 • 117 citations

Calcium and phosphorus deficiency in rats: effects on PTH and 1,25-dihydroxyvitamin D3.

1979 • 104 citations

Vitamin D Metabolism and Parathyroid Function in Man

1975 • 101 citations

Renal resistance to parathyroid hormone during phosphorus deprivation.

1976 • 98 citations

Effects of parathyroidectomy and cyclic AMP on renal transport of phosphate, calcium, and magnesium

1974 • 97 citations

EFFECT OF PARATHYROID EXTRACT ON VITAMIN-D METABOLISM

1972 • 97 citations

Comparison of effects of 1 alpha-hydroxy-vitamin D3 and 1,25-dihydroxy-vitamin D3 in man.

1976 • 93 citations

The ionic control of 1,25-dihydroxyvitamin D3 production in isolated chick renal tubules.

1975 • 93 citations

Calcium-dependent, parathyroid hormone-independent regulation of 1,25-dihydroxyvitamin D

1980 • 92 citations

A Detailed Evaluation of Oral Phosphate Therapy in Selected Patients With Primary Hyperparathyroidism*

1983 • 85 citations

Evidence that blood ionized calcium can regulate serum 1,25(OH)2D3 independently of parathyroid hormone and phosphorus in the rat.

1985 • 81 citations

Regulation of vitamin D metabolism: factors influencing the rate of formation of 1,25-dihydroxycholecalciferol by kidney homogenates (Short Communication)

1973 • 76 citations

Sensitivity of the Parathyroid Hormone–1, 25-Dihydroxyvitamin D Axis to Variations in Calcium Intake in Patients with Primary Hyperparathyroidism

1985 • 76 citations

The ionic control of 1,25-dihydroxyvitamin D3 synthesis in isolated chick renal mitochondria. The role of calcium as influenced by inorganic phosphate and hydrogen-ion.

1975 • 73 citations

MODULATION OF PLASMA 1,25-DIHYDROXYVITAMIN D IN MAN BY STIMULATION AND SUPPRESSION TESTS

1979 • 68 citations

Phosphate deprivation increases serum 1,25-(OH)2-vitamin D concentrations in healthy men

1984 • 62 citations

The effects of synthetic estrogens on the metabolic clearance and production rates of estrone and estradiol

1974 • 58 citations

Stimulation of 1,25-Dihydroxyvitamin D Production by Parathyroid Hormone and Hypocalcemia in Man*

1980 • 49 citations

Infusions of Parathyroid Hormone in Ruminants: Hypercalcemia and Reduced Plasma 1,25-Dihydroxyvitamin D Concentrations^*

1984 • 38 citations

Mole B. A. Lond., M. D. Lpool.

1952 • 30 citations

Effects of weight loss on serum 1,25-(OH)2-vitamin D concentrations in adults: A preliminary report

1984 • 15 citations