https://www.researchgate.net/journal/Nature-Communications-2041-1723/publication/369530968_The_genomic_landscape_of_reference_genomes_of_cultivated_human_gut_bacteria/links/641fb2f1a1b72772e428644e/The-genomic-landscape-of-reference-genomes-of-cultivated-human-gut-bacteria.pdf?_tp=eyJjb250ZXh0Ijp7ImZpcnN0UGFnZSI6InB1YmxpY2F0aW9uIiwicGFnZSI6InB1YmxpY2F0aW9uRG93bmxvYWQiLCJwcmV2aW91c1BhZ2UiOiJwdWJsaWNhdGlvbiJ9fQ