TY  - RPRT
TI  - A native vitamin B12-polypeptide complex.
AU  - A HEDBOM
PY  - 1955
DO  - 10.1016/0006-3002(55)90399-1
UR  - https://pubmed.ncbi.nlm.nih.gov/13239707/
ID  - 13239707
ER  -