PubMed:23429918 / 517-527
Annnotations
yangbin123xm_800_3
{"project":"yangbin123xm_800_3","denotations":[{"id":"T9","span":{"begin":0,"end":10},"obj":"CI"}],"text":"sildenafil"}
chenxin_473849_800_3
{"project":"chenxin_473849_800_3","denotations":[{"id":"T3","span":{"begin":0,"end":10},"obj":"CI"}],"text":"sildenafil"}