نتایج جستجو برای: ctrp 12
تعداد نتایج: 580833 فیلتر نتایج به سال:
Evidence is presented that after injection of radioactive vitamin B(12) in man, there is a close correlation between the amount of radioactivity excreted and the amount of assayable vitamin B(12) excreted, and thus that the amount of radioactivity excreted is a true measure of the vitamin B(12) excreted. The possible reasons for this occurrence are discussed and it is suggested that in the body...
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A self-complementary, artificial vitamin B12 derivative dimerises in an unprecedented "intra base off/inter base on" coordination mode.
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