Hyperpigmentation and hyponatremia in a life-threatening case report of autoimmune polyglandular syndrome (APS) - Angeletti, Chiara; Fontana, Antonella; Aitella, Ernesto; Arcangeli, Valentina; Di Frischia, Mattia; Venturoni, Federica; Chiatamone Ranieri, Sofia; Balsano, Clara; Ginaldi, Lia (Journal of Emergency and Critical Care Medicine; Vol 10 (March 30, 2026): Journal of Emergency and Critical Care Medicine, 2026)