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Aging cell
[DOI] [PubMed] [Google Scholar] 65.Carlin J.I., Harris R.C., Cederblad G., Constantin-Teodosiu D., Snow D.H., Hultman E
Moser H (1987) Electrophysiological evidence for ammonium as a substitute for potassium in activating the sodium pump in a crayfish sensory neuron
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Vitamin B 12 deficiency symptoms may include: strange sensations, numbness, or tingling in the hands, legs, or feet difficulty walking (staggering, balance problems) anemia a swollen, inflamed tongue difficulty thinking and reasoning (cognitive difficulties), or memory loss weakness fatigue While an experienced physician may notice the symptoms and be able to detect a vitamin B 12 deficiency with a good interview and physical exam, a blood test is needed to confirm the condition
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