Two very different articles in this issue deal with the same important subject: workflow redesign. It’s a topic that is at the same time important and often slighted, largely because workflow – the way we do what we do day after day – tends to become such a well-traveled route that we may forget that other ways may lead us to the same end more quickly and efficiently. When workflow issues do ...

behçet’s disease (bd) which is classified among vasculitides is a systemic disease with various manifestations. its clinical course is characterized by attacks and remissions. till now, two nationwide surveys of bd from iran and japan and 4 major case series from turkey, korea, morocco and england have been reported. clinical picture of bd is dominated by mucous membrane manifestations, includi...

occurrence of chaotic behaviors because of fluctuations creation and their intensified transfer along the chain is one of the main causes of inefficiency of material requirements planning (mrp) based supply chains. one of the reasons of the inefficiency is the lumpiness phenomenon. through this phenomenon, some parts have an irregular production schedule, with nothing produced in some periods a...