Vitamin B12 in marine and freshwater algae.
D045728:Corrinoids; D056890:Eukaryota; D005618:Fresh Water; D006397:Hematinics; D014805:Vitamin B 12 / Q000032:analysis*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
ALGAE; VITAMIN B12/determination