【已应助】求助英文文献一篇

dong3626 2009/08/24

[img]https://www.instrument.com.cn/bbs/images/affix.gif[/img][url=http://www.instrument.com.cn/bbs/download.asp?ID=167430]Penetration of clarithromycin and its 14-hydroxy metabolite into middle ear effusion in children with secretory otitis media[/url]