Tawfik, A. M. .; Madkour, M. T. Y. .; Aboelnour , N. .; Baky, A. M. A. E. . EFFICACY OF ULTRASONIC TRANSDERMAL PLATELET RICH PLASMA ON CHRONIC LOWER LIMB VENOUS ULCER HEALING. ijmst 2023, 10, 1654-1659.