Diminished representation of vitamin-B12-producing bacteria in constipated elders with frailty
Author:
Zhao Luqing,
Deng Xin,
Ding Ning,
Liu Yanzhen,
Ma Yun,
Li Jiake,
Wang Shuqing,
Ji Xingyu,
Wang Jinjuan,
Wang Dianpeng,
Li Yanhui,
Dou Dan,
Zhu Xihan,
Zhu LixinORCID,
Zhang Shengsheng