Specificity of vitamin B12 for Euglena.
D016798:Ciliophora; D045728:Corrinoids; D005055:Euglena; D012680:Sensitivity and Specificity; D014805:Vitamin B 12 / Q000494:pharmacology*
D045728:Corrinoids; D014805:Vitamin B 12
CILIATA; VITAMIN B12/effects