Vitamin B12 serum concentrations in 528 apparently healthy human subjects of ages 12-94.

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@article{Chow1957VitaminBS, title={Vitamin B12 serum concentrations in 528 apparently healthy human subjects of ages 12-94.}, author={Bacon F. Chow and George W. Gaffney and A HORONICK and Patrick Meier and Kiyoshi Okuda and N W Shock}, journal={Journal of gerontology}, year={1957}, volume={12 1}, pages={32-8} }