title: Evidence fo a negative correlation of recurrent aphthous ulcers with lactobacillus activity.
mesh_terms: D003731:Dental Caries; D003813:Dentistry; D007779:Lactobacillus acidophilus / Q000378:metabolism; D012463:Saliva / Q000382:microbiology; D013281:Stomatitis, Aphthous / Q000209:etiology / Q000628:therapy