Medial femoral condyle corticoperiosteal flap: anatomic study - Silva, Gustavo Bersani; Vellosa, Matheus Teotonio; Cho, Alvaro Baik; Costa, Raquel Bernardelli Iamaguchi da; Camargo, Olavo Pires de; Mattar Junior, Rames (Acta ortopedica brasileira, 2018)