Letter
Dietary sources of vitamin B12 for vegans and other special groups.
R Allen and A Long
The Journal of the Royal College of General Practitioners 1988; 38 (308): 123.
In this issue
The Journal of the Royal College of General Practitioners
Vol. 38, Issue 308
March 1988
Dietary sources of vitamin B12 for vegans and other special groups.
R Allen, A Long
The Journal of the Royal College of General Practitioners 1988; 38 (308): 123.
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