PT - JOURNAL ARTICLE AU - Kaori Kitamura AU - Hiroshi Shionoya AU - Kuniaki Terato AU - Suguru Suzuki AU - Richio Fukai AU - Shinichi Uda AU - Chiyuki Abe AU - Hiromitsu Takemori AU - Keita Nishimura AU - Hisashi Baba AU - Takaki Waritani AU - Kou Katayama TI - Comment on: ‘Metagenome-wide association study of gut microbiome revealed novel aetiology of rheumatoid arthritis in the Japanese population’ by Kishikawa <em>et al</em> AID - 10.1136/annrheumdis-2020-217808 DP - 2020 May 29 TA - Annals of the Rheumatic Diseases PG - annrheumdis-2020-217808 4099 - http://ard.bmj.com/content/early/2020/05/29/annrheumdis-2020-217808.short 4100 - http://ard.bmj.com/content/early/2020/05/29/annrheumdis-2020-217808.full