A preparation of calciferol (vitamin D2) made by irradiating ergosterol.
| 单词 | θ14646 |
| 释义 | the world > health and disease > healing > medicines or physic > medical preparations of specific origin > biological product > [noun] > vitamin preparation (1) radiostol1927 A preparation of calciferol (vitamin D2) made by irradiating ergosterol. |
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