Salamah, F., Maylita Sari, and Muhammad Yulianto Listiawan. “The Role of High-Frequency Ultra Sound (HFUS) in Skin Malignancy: A Literature Review”. Journal of Pakistan Association of Dermatologists, vol. 35, no. 3, Sept. 2025, pp. 250-8, https://jpad.com.pk/index.php/jpad/article/view/3113.