VITAMIN B12 FORMATION FROM VARIOUS   ACTINOMYCETES ISOLATED FROM BULGARIAN SOILS.
D039903:Actinobacteria; D000190:Actinomyces; D000192:Actinomycetales; D001203:Ascomycota; D002031:Bulgaria; D008660:Metabolism; D012106:Research; D012987:Soil; D012988:Soil Microbiology; D014805:Vitamin B 12
D012987:Soil; D014805:Vitamin B 12
ACTINOMYCETALES; BULGARIA; EXPERIMENTAL LAB STUDY; METABOLISM; SOIL MICROBIOLOGY; VITAMIN B 12