PubMed:23429918 / 1389-1399
Annnotations
yangbin123xm_800_3
{"project":"yangbin123xm_800_3","denotations":[{"id":"T11","span":{"begin":0,"end":10},"obj":"CI"}],"text":"sildenafil"}
chenxin_473849_800_3
{"project":"chenxin_473849_800_3","denotations":[{"id":"T5","span":{"begin":0,"end":10},"obj":"CI"}],"text":"sildenafil"}