Foregram of ventral and dorsal aspects of GP of patient with III Grade Scheuermann’s disease 1, 9: standard; 2: native GAG sample from the growth plate; 3, 4, and 5: GAG samples from the growth plate, annulus fibrosus, and nucleus pulposus, respectively, treated with keratanase; 6, 7, and 8: GAG samples from the growth plate, annulus fibrosus, and nucleus pulposus, respectively, treated with chondroitinase.
