Use of low-frequency contact ultrasonic debridement with and without polyhexamethylene biguanide in hard-to-heal leg ulcers: an RCT.
Vallejo A, Wallis M, McMillan D. Use of low-frequency contact ultrasonic debridement with and without polyhexamethylene biguanide in hard-to-heal leg ulcers: an RCT. J Wound Care. 2022 Aug 02; 31(8):670-681.