This paper analyzes the extent to which economic policy uncertainty affects presidential approval in four Latin American countries (Brazil, Chile, Colombia, and Mexico).Using panel (time-series cross-sectional) estimation methods, we show that New Arrivals economic policy uncertainty has a negative impact on presidential approval in our sample.A on

Abstract Along the distal stems of woody plants, nodes occur along the stem length separated by internode regions.Nodes typically include a leaf or leaf scar and an axillary bud that are connected to the xylem tissue within the stem through vascular leaf and bud traces.The diversion of xylem tissue into these lateral appendages creates a node gap t

Serous spoon blank microcystic adenoma (SMCA) is a rare pancreatic tumor with a striking predilection for elderly females and a rather unique morphology.Classically, the tumor is riddled with innumerable small cysts around a stellate scar.The quintessential histological features are closely placed small cysts lined by Bath glycogen rich cuboidal ep

Abstract Complicated peripheral nerve injuries or defects, especially at branching sites, remain a prominent clinical challenge after the application of different treatment strategies.Current nerve grafts fail to match the expected shape and size for delicate and precise branched nerve repair on a case-by-case basis, and there is a lack of geometri