Fig. 4From: Indoor bacterial, fungal and viral species and functional genes in urban and rural schools in Shanxi Province, China–association with asthma, rhinitis and rhinoconjunctivitis in high school studentsLEfSe analysis for characteristic KEGG functional pathways in urban and rural dust samples in Shanxi, China. The second-level KEGG functional pathways are presented. Only pathways with LDA scores > 3 are presented in the figureBack to article page