Meniscal ramp lesion classification systems: A systematic review. - Allende, Felicitas; Berreta, Rodrigo Saad; Allahabadi, Sachin; Mowers, Colton; Russo, Raffaella; Palco, Michelangelo; Simonetta, Roberto; Familiari, Filippo; Chahla, Jorge (Knee Surgery, Sports Traumatology, Arthroscopy, 2024)