Chihiro Katsukawa, Tsuyoshi Kenri, Keigo Shibayama, Kazuo Takahashi. Genetic characterization of Mycoplasma pneumoniae isolated in Osaka between 2011 and 2017: Decreased detection rate of macrolide-resistance and increase of p1 gene type 2 lineage strains. PloS one. 2019. 14. 1. e0209938