| 摘要 |
A composition for improving calcium metabolism comprising, as an active ingredient, (20S,22R)-22-methyl-1 alpha ,25-dihydroxyvitamin D3; and a method of treating a calcium metabolism disorder in a mammal comprising administering a therapeutically effective amount of (20S,22R)-22-methyl-1 alpha ,25-dihydroxyvitamin D3./!
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