Abstract Background Migraine, a common chronic-intermittent disorder of idiopathic origin characterized by severe debilitating headaches and autonomic nervous system dysfunction, and placental abruption, the premature separation of the placenta, share many common pathophysiological characteristics.Moreover, endothelial dysfunction, platelet activat
Many species of birds incorporate feathers into their nest as structural support and to insulate the eggs or offspring.Here, we investigated the novel idea that birds reduce the risk of nest usurpation by decorating it with feathers to trigger a fear response in their rivals.We let prospecting birds choose between a dyad of nest-boxes in the wild,
Background: Cushing disease is uncommon challenging disease.The adenomas are usually small in size in most case making the disease diagnosis and management is sometimes difficult.In some cases, the tumor cannot be identified on imaging studies and in many cases the adenoma is eccentric in location adding more difficulties to the trans-sphenoid appr
This paper presents a new procedure for automatic extraction of the blood vessels and optic disk (OD) in fundus fluorescein angiogram (FFA).In order to extract blood vessel centerlines, the algorithm of vessel extraction starts with the analysis of directional images resulting from sub-bands of fast discrete curvelet transform (FDCT) in the similar
ABSTRACT Dairy farming is essential for Brazilian agriculture and, especially, for the Minas Gerais State.The understanding of technical efficiency and its impacts on the economic performance of dairy farms contributes to the development of the milk production chain.In the context of organizations, the Firm Theory helps in understanding how product