Persistent Vomiting and Epigastric Pain in an Adolescent: A Case of Superior Mesenteric Artery Syndrome Unmasked. - Rogalidou, Maria; Papagiannis, Georgios; Dimakou, Konstantina; Galina, Paraskevi; Siska, Stavroula-Zoe; Papadopoulou, Alexandra (Reports (MDPI AG), 2026)