TY - GEN AU - Deeg,R AU - Kriemler,H P AU - Bergmann,K H AU - Müller,G TI - [On cobyrinic acid biosynthesis. Novel methylated hydroporphyrins and their role in cobyrinis acid formation (author's transl)] SN - 0018-4888 PY - 1977///0611 KW - Clostridium KW - metabolism KW - Mass Spectrometry KW - Porphyrins KW - Propionibacterium KW - Species Specificity KW - Spectrophotometry KW - Spectrophotometry, Ultraviolet KW - Vitamin B 12 KW - analogs & derivatives N1 - Publication Type: Journal Article ER -