OBJECTIVE To determine whether the worldwide consensus that twin pregnancy after fertility treatment represents an adverse outcome to be avoided is correct. DESIGN Literature search via PubMed and MEDLINE, going back to 1990. SETTING Academically affiliated private fertility center. PATIENT(S) Mothers and offspring in singleton and twin pregnancies. INTERVENTION(S) None. MAIN OUTCOME ...

This paper reports on the effectiveness of the project management and investment frameworks in the State of Victoria. It finds project management and investment practices comparable to best practice but also finds 100 billion dollars invested in projects over the past decade without any evidence of improvement in strategic goals. It concludes that there may be systemic deficiencies in our proje...

Within the scope of the regulation grid operators optimise costs and they are responsible for the quality of supply at the same time. Thus grid operators have to solve many optimisation tasks. This paper deals with the analysis, modelling and optimization of resource management and its influence on the quality of supply and total costs of grid service, especially with the analysis of the differ...

In his landmark work The Political Theory of a Compound Republic,* 1 the American political scientist Vincent Ostrom identified two theories of government which have contended in the intellectual and political history of modem civilisation. The first theory Ostrom associated with the 17th century English philosopher Thomas Hobbes, although it can be traced back to ancient times. This is the ide...