[Comparative determination of vitamin B12 with Lactobacillus leichmannii and Poterio-chromonas stipitata in various fish feed stuffs and samples of clearing sludge].
D000818:Animals; D045728:Corrinoids; D056890:Eukaryota / Q000494:pharmacology*; D005399:Fishes; D006397:Hematinics; D007778:Lactobacillus / Q000494:pharmacology*; D052199:Lactobacillus leichmannii; D012722:Sewage; D014805:Vitamin B 12 / Q000494:pharmacology*
D045728:Corrinoids; D006397:Hematinics; D012722:Sewage; D014805:Vitamin B 12
LACTOBACILLUS/pharmacology; PROTOZOA/pharmacology; VITAMIN B 12/pharmacology