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Prager K et al
These often include sharp, shooting pains or a persistent burning sensation, sometimes accompanied by numbness and tingling
The most common method, also introduced by Schilling, is to inject a high dose of unlabeled B12 to saturate all binding capacities of the B12 binding proteins, and thereby facilitating urinary excretion of the absorbed radioactively labeled B12
Tests in bacteria, cells, and mice all came back negative, suggesting the compound does not pose carcinogenic risk through DNA damage mechanisms
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