Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
胆钙化醇是7?脱氢胆固醇经

人工来源
紫
线照射而产生
。
线Cholecalciferol is produced by irradiation of 7-dehydrocholesterol with ultraviolet light either from the sun or from an artificial source.
胆钙化醇是7?脱氢胆固醇经

人工来源
紫
线照射而产生
。

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