Concepts for Liver Segment Classification: Neither Old Ones nor New Ones, but a Comprehensive One

Concepts for Liver Segment Classification: Neither Old Ones nor New Ones, but a Comprehensive One

Concepts dealing with the subdivision of the human liver into independent vascular and biliary territories are applied routinely in radiological, surgical, and gastroenterological practice. Despite Couinaud's widely used eight-segments scheme, opinions on the issue differ considerably between authors. The aim of this article is to illustrate the scientific basis for understanding and harmonizin...

Institutions Matter, but Which Ones?

In the last two decades institutional economics of development has been enriched by historical and, more recently, quantitative analysis of the effects of the quality of institutions on the pace and pattern of economic development. Following the leadership of Douglass North, this literature has shown how important secure property rights are in encouraging investment and innovations, allowing fo...

Finding 'new' occupational diseases and trends in 'old' ones.

Strategies for the reduction of risk to the health of workers, as well as the population in general, rely on the collection, analysis and interpretation of valid data to study work-related ill-health in relation to its determinants. In the developed world, through advances in occupational medicine and changing societal attitude reflected in legislation, the scourges of many occupational disease...

Ebola therapy: Developing new drugs or repurposing old ones?

Beware! Preimplantation genetic diagnosis may solve some old problems but it also raises new ones.

Preimplantation genetic diagnosis (PIGD) goes some way to meeting the clinical, psychological and ethical problems of antenatal testing. We should guard, however, against the assumption that PIGD is the answer to all our problems. It also presents some new problems and leaves some old problems untouched. This paper will provide an overview of how PIGD meets some of the old problems but will con...