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in China
Rev Physiol Biochem Pharmacol 77:1124, 1977 Goodman Gilman A, Goodman LS, Gilman A: The Pharmacological Basis of Therapeutics
J Drug Deliv Ther 8
Blood 2005 105:978-985
B12 injections are commonly used to help people who have low vitamin B12 levels or difficulty absorbing enough vitamin B12 through normal methods
