Role of B12 compounds in methane formation.
D007437:Intrinsic Factor; D008697:Methane / Q000096:biosynthesis*; D012505:Sarcina / Q000378:metabolism; D014805:Vitamin B 12 / Q000378:metabolism*
D007437:Intrinsic Factor; D008697:Methane; D014805:Vitamin B 12