An enzymatic pathway in the human gut microbiome that converts A to universal O type blood
Rahfeld, Peter, Lyann Sim, Haisle Moon, Iren Constantinescu, Connor Morgan-Lang, Steven Hallam, Jayachandran Kizhakkedathu, and Stephen Withers. 2019. “An Enzymatic Pathway in the Human Gut Microbiome That Converts A to Universal O Type Blood”. Nat Microbiol 4 (9): 1475-85.