“ENERGY-BASED DEVICES STIMULATING COLLAGEN FOR NON-SURGICAL LIFTING: A COMPARATIVE REVIEW OF HIGH-INTENSITY FOCUSED ULTRASOUND (HIFU) AND RADIOFREQUENCY (RF) TECHNOLOGIES” (2026) The Research of Medical Science Review, 4(6), pp. 956–984. Available at: https://medicalsciencereview.com/index.php/Journal/article/view/3881 (Accessed: 28 June 2026).