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人工来源的紫外线照射而产生的。
2.
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人工来源的紫外线照射而产生的。
3.
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人工来源的紫外线照射而产生的。