Toward Reliable and Explainable Nail Disease Classification: Leveraging Adversarial Training and Grad-CAM Visualization. - Farzia Hossain; Samanta Ghosh; Shahida Begum; B. M. Shahria Alam; Mohammad Tahmid Noor; Md Parvez Mia; Nishat Tasnim Niloy (CoRR, 2026)