PubMed:34714175 / 1951-1970
Annnotations
yangbin123xm_800_3
{"project":"yangbin123xm_800_3","denotations":[{"id":"T4","span":{"begin":0,"end":19},"obj":"DP"}],"text":"knee osteoarthritis"}
chenxin_473849_800_3
{"project":"chenxin_473849_800_3","denotations":[{"id":"T4","span":{"begin":0,"end":19},"obj":"DP"}],"text":"knee osteoarthritis"}