PT  - JOURNAL ARTICLE
AU  - R Allen
AU  - A Long
TI  - Dietary sources of vitamin B12 for vegans and other special groups.
DP  - 1988 Mar 01
TA  - The Journal of the Royal College of General Practitioners
PG  - 123--123
VI  - 38
IP  - 308
4099  - http://bjgp.org/content/38/308/123.1.short
4100  - http://bjgp.org/content/38/308/123.1.full
SO  - J R Coll Gen Pract1988 Mar 01; 38