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. 1963 Aug 10:199:604-5.
doi: 10.1038/199604a0.

BIOLOGICAL ACTIVITY OF A BROWNISH-YELLOW PIGMENT PRODUCED FROM VITAMIN B 12 BY AEROBACTER AEROGENES

K HELGELAND, J JONSEN, S LALAND, T LYGREN, O ROMCKE

BIOLOGICAL ACTIVITY OF A BROWNISH-YELLOW PIGMENT PRODUCED FROM VITAMIN B 12 BY AEROBACTER AEROGENES

K HELGELAND et al. Nature. .
No abstract available

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