Mild Vitamin D Deficiency and Secondary Hyperparathyroidism in Nursing Home Patients Receiving Adequate Dietary Vitamin D

Aging decreases the capacity of human skin to produce vitamin D3.

1985 • 1,404 citations

COMPETITIVE PROTEIN-BINDING RADIOASSAY FOR 25-HYDROXYCHOLECALCIFEROL¹

1971 • 908 citations

The Effect of Vitamin D Supplementation on Vitamin D Status and Parathyroid Function in Elderly Subjects*

1988 • 386 citations

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

1989 • 363 citations

Impaired vitamin D metabolism with aging in women. Possible role in pathogenesis of senile osteoporosis.

1984 • 360 citations

Seasonal Changes in Human Plasma Levels of 25-Hydroxyvitamin D

1974 • 343 citations

The Histomorphometry of Bone in Primary Hyperparathyroidism: Preservation of Cancellous Bone Structure*

1990 • 329 citations

Calcitriol Treatment Is Not Effective in Postmenopausal Osteoporosis

1989 • 311 citations

Assay of circulating 1,25-dihydroxyvitamin D involving a novel single-cartridge extraction and purification procedure.

1986 • 302 citations

Determinants of vitamin D status in patients with hip fracture and in elderly control subjects

1987 • 230 citations

Recommended Dietary Allowances.

1964 • 198 citations

Histomorphometric profile and vitamin d status in patients with femoral neck fracture

1982 • 185 citations

Relative contributions of diet and sunlight to vitamin D state in the elderly.

1979 • 171 citations

PROPHYLAXIS AGAINST VITAMIN D DEFICIENCY IN THE ELDERLY BY REGULAR SUNLIGHT EXPOSURE

1986 • 161 citations

Intestinal Cholecalciferol Absorption in the Elderly and in Younger Adults

1978 • 135 citations

Seasonal Variation in Serum Concentrations of Parathyroid Hormone in Elderly People*

1983 • 111 citations

Abnormalities in Parathyroid Hormone Secretion and 1,25-Dihydroxyvitamin D₃Formation in Women with Osteoporosis

1989 • 101 citations

Is the Recommended Daily Allowance for Vitamin D Too Low for the Homebound Elderly?

1991 • 92 citations

Effect of season on physical activity score, back extensor muscle strength, and lumbar bone mineral density

1990 • 81 citations

'Senile' osteoporosis reconsidered

1989 • 81 citations

Occult osteomalacia in American (U.S.A.) patients with fracture of the hip

1978 • 74 citations

Vitamin D nutritional status and related biochemical indices in an autonomous elderly population

1988 • 65 citations

Low 1,25-Dihydroxyvitamin D, Secondary Hyperparathyroidism, and Normal Osteocalcinin Elderly Subjects

1986 • 64 citations

`Senile' Osteoporosis Reconsidered

1989 • 58 citations

Inadequate status and impaired metabolism of vitamin D in the elderly.

1981 • 55 citations

VITAMIN D PROPHYLAXIS IN THE ELDERLY: A SIMPLE EFFECTIVE METHOD SUITABLE FOR LARGE POPULATIONS

1985 • 36 citations

VITAMIN D HYDROXYLATION IN YOUTH AND OLD AGE

1978 • 26 citations

Shattuck Lecture — The Health Care Priorities of the Bush Administration

1989 • 14 citations