Exercise-Trained Young Men Have Higher Calcium Absorption Rates and Plasma Calcitriol Levels Compared with Age-Matched Sedentary Controls

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

1984 • 809 citations

Estimation of total body water by bioelectrical impedance analysis

1986 • 771 citations

Reduced Serum Testosterone and Prolactin Levels in Male Distance Runners

1984 • 266 citations

Whole body sweat collection in humans: an improved method with preliminary data on electrolyte content

1997 • 231 citations

The effects of muscle-building exercise on Vitamin D and mineral metabolism

1988 • 157 citations

Changes in Bone Mineral Content in Male Athletes

1996 • 147 citations

Hormone and Bone Mineral Status in Endurance-Trained and Sedentary Postmenopausal Women*

1988 • 140 citations

Comparison of equilibrium and disequilibrium assay conditions for ergocalciferol, cholecalciferol and their major metabolites

1984 • 137 citations

Subclinical alterations in hormone and semen profile in athletes

1993 • 117 citations

Intestinal calcium absorption: a vitamin D-hormone-mediated adaptive response

1990 • 110 citations

Calcium absorption, endogenous excretion, and endocrine changes during and after long-term bed rest

1995 • 108 citations

Osteoporosis in Men

1998 • 101 citations

Effects of moderate endurance exercise on calcium, parathyroid hormone, and markers of bone metabolism in young women

1997 • 93 citations

Effect of calcium supplementation on urinary hydroxyproline in osteoporotic postmenopausal women

1984 • 86 citations

Seasonal variations in vitamin D status and calcium absorption do not influence bone turnover in young women

1998 • 82 citations

Simple test of intestinal calcium absorption measured by stable strontium.

1987 • 73 citations

Effect of physical activity on calciotropic hormones and calcium balance in rats

1990 • 62 citations

Validity of impedance predictions at various levels of fatness.

1987 • 59 citations

Correlation of Bone Density to Strength and Physical Activity in Young Men with a Low or Moderate Level of Physical Activity

1997 • 56 citations

Dietary and Biochemical Indices of Nutritional Status in Male Athletes and Controls

1992 • 55 citations

Effect of physical activity on calcium and phosphorus metabolism in the rat

1989 • 55 citations

Spine and total body bone mineral density and serum testosterone levels in male athletes

1993 • 51 citations

Plasma levels of parathyroid hormone, vitamin D, calcitonin, and calcium in association with endurance exercise

1993 • 37 citations

One-hour test for estimating intestinal absorption of calcium by using stable strontium as a marker

1994 • 31 citations

Stable Strontium Absorption as a Measure of Intestinal Calcium Absorption: Comparison with the Double-Radiotracer Calcium Absorption Test

1994 • 28 citations

Testosterone Alters Duodenal Calcium Transport and Longitudinal Bone Growth Rate in Parallel in the Male Rat

1992 • 24 citations

Evidence for an interaction of insulin and sex steroids in the regulation of vitamin D metabolism in the rat

1987 • 21 citations

The Metabolism of Vitamin D3 in Response to Testosterone

1997 • 21 citations

Preclinical screening of the applicability of strontium as a marker for intestinal calcium absorption

1997 • 17 citations

Protein nutriture methodology

1991 • 2 citations