In Marxist theory, human society consists of two parts: the base (or infrastructure) and superstructure; the base comprises the forces and relations of produ... More

Esophagogastroduodenoscopy, also called by , is a diagnostic endoscopic procedure that visualizes the upper part of the gastrointestinal tract up to the duod... More

Upper German (German: ) is a family of High German dialects spoken primarily in the southern German-speaking area (Sprachraum). More