PubMed:23667615 / 953-957
Annnotations
Zierdiyeerkenaili_800_3
{"project":"Zierdiyeerkenaili_800_3","denotations":[{"id":"T5","span":{"begin":0,"end":4},"obj":"DP"}],"text":"COPD"}
yaoziqian_800_3
{"project":"yaoziqian_800_3","denotations":[{"id":"T10","span":{"begin":0,"end":4},"obj":"DP"}],"text":"COPD"}