RT Journal Article SR Electronic T1 Tracing the accumulation of in vivo human oral microbiota elucidates microbial community dynamics at the gateway to the GI tract JF Gut JO Gut FD BMJ Publishing Group Ltd and British Society of Gastroenterology SP 1355 OP 1356 DO 10.1136/gutjnl-2019-318977 VO 69 IS 7 A1 Jinfeng Wang A1 Zhen Jia A1 Bing Zhang A1 Lei Peng A1 Fangqing Zhao YR 2020 UL http://gut.bmj.com/content/69/7/1355.abstract AB