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?脱氢胆固醇经日光或
源的紫
线照射
的。
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?脱氢胆固醇经日光或源的紫线照射的。
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