Rectus abdominis flap for the treatment of lumbosacral coverage defects. Rev. Asoc. Arg. Ort. y Traumatol [Internet]. 2018 May 11 [cited 2026 Nov. 4];83(2):76-84. Available from: https://www.raaot.org.ar/index.php/AAOTMAG/article/view/785