This paper presents the concept of complemation complementary technology that is designed to enhance human skills and abilities rather than replace them. Complemation differs from automation in that it utilizes human skills and functions in a critical rather than ancillary role. The machine is used primarily for monitoring and precise implementation and the human is the primary decision-maker a...

On January 25, 2012, Medicare (CMS) held a meeting to consider issues related to the current management of carotid arterial disease. One of the most important of these issues is whether or not Medicare should expand reimbursement for carotid artery stenting (CAS) to include patients with asymptomatic and low or standard surgical risk symptomatic carotid stenosis. Opinions vary widely regarding ...

Rapid urbanisation in the reform period has resulted in a very high demand for basic urban infrastructure in China. Improving its provision by the public sector is a challenge as problems persist in the form of unmet demand, de® ciencies in cost recover y and inadequate maintenance. Institutional hurdles, particularly the lack of organisational and ® nancial autonomy for the providers of urban ...