PubMed:34714175 / 377-396
Annnotations
yangbin123xm_800_3
{"project":"yangbin123xm_800_3","denotations":[{"id":"T3","span":{"begin":0,"end":19},"obj":"DP"}],"text":"knee osteoarthritis"}
chenxin_473849_800_3
{"project":"chenxin_473849_800_3","denotations":[{"id":"T1","span":{"begin":0,"end":19},"obj":"DP"}],"text":"knee osteoarthritis"}