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Chapter
Calcium Absorption in the Elderly
Calcium absorption can be measured in at least three ways — by the balance procedure, by intubation of the small intestine with a double or triple lumen tube and by the oral administration of radioactive calcium.
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Article
Observations of sequential changes in bone mass in postmenopausal women: a controlled trial of oestrogen and calcium therapy
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Article
The effect of 1α-hydroxycholecalciferol and hormone therapy on the calcium balance of post-menopausal osteoporosis
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Article
Calcium absorption in the elderly
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Article
Prevention of bone loss in postmenopausal and senile osteoporosis with vitamin D analogues
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Article
Effect of Vitamin D Receptor Genotypes on Calcium Absorption, Duodenal Vitamin D Receptor Concentration, and Serum 1,25 Dihydroxyvitamin D Levels in Normal Women
It is well established that bone mineral density is under strong genetic control. Recently it was reported that the Bsm I restriction fragment length polymorphism of the vitamin D receptor (VDR) gene could ac...
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Article
The Role of Calcitriol in the Treatment of Osteoporosis
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Article
Effect of Vitamins D2 and D3 Supplement Use on Serum 25OHD Concentration in Elderly Women in Summer and Winter
Vitamin D2 and D3 are generally considered equipotent in humans. A few studies have reported that serum 25OHD levels are higher in vitamin D3- compared with vitamin D2-supplemented subjects. As both vitamin D2 an...
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Article
Reference range for 24-h urine calcium, calcium/creatinine ratio, and correlations with calcium absorption and serum vitamin D metabolites in normal women
A study of 959 black and white women shows that the normal range for 24-h urine calcium excretion in white women is 30–300 mg and 10–285 mg in black women. Clinical laboratories use a normal range for 24-h uri...