Fig. 1From: Association between lipid-A-producing oral bacteria of different potency and fractional exhaled nitric oxide in a Norwegian population-based adult cohortThe distribution of the oral microbiota annotated to hexa- and penta-acylated LPS producers, as well as Gram-negative (G−) that were not possible to assign to hexa- or penta-acylated LPS groups due to phylum annotation only, Gram-positive (G +), and unknown bacteria from the study populationBack to article page