The study, reported in the February issue of the Journal of Clinical Microbiology, relied on gene sequencing to compare bacteria found on the tongues of those with halitosis and those with fresh breath.

• 这一研究结果发表在二月的《临床微生物学》杂志上。 文中，研究人员是通过基因序列比较口气有异味和无异味人群口腔内的细菌种类来论证这一结论的。