Stevens-Johnson Syndrome following a Single Ampicillin Dose in an Elderly Patient: A Case Report. - Qannas, A’sem Mohammad Abedalqader; Ahmed, Syed Iftiqar; Machavariani, Ketevan; Tariq, Nabil; Abdul Rehman, Rana Hussain; Abuladze, Nino; Abdelkader, Ahmed (Case Reports in Dermatology, 2026)