Georgoulis, A. D., Soucacos, P. N., Beris, A. E., Papageorgiou, C., Siamisis, G., & Vrangalas, V. (1995). Application of silicon tissue expanders for the direct or indirect coverage of soft tissue defects in the extremities. Acta Orthopaedica, 66(sup264), 38–40. https://doi.org/10.3109/17453679509157164