关键词: Chronic periodontitis cost-benefit analysis economics DOI: 10.1016/j.prosdent.2013.10.001 年份: 2012 收藏 引用 批量引用 报错 分享 全部来源 免费下载 求助全文 core.kmi.open.ac.uk eprints.binus.ac.id thesis.binus.ac.id (全网免费下载) core.ac.uk (全网免费下载) core.ac.uk 查看更多...
The results were as follows: a) on the whole, the bus network has been replaced almost completely and at the same cost; b) effects of deregulation on passengers has been limited, although some areas have benefitted from lower fares; d) competition has be...