ACETABULAR DYSPLASIA AND CAM MORPHOLOGY ARE FEATURES OF SEVERE HIP OSTEOARTHRITIS: FINDINGS FROM A CROSS-SECTIONAL STUDY IN UK BIOBANK. (April 2022) - Frysz, M.; Faber, B.; Ebsim, R.; Saunders, F.; Lindner, C.; Gregory, J.; Aspden, R.; Harvey, N.; Cootes, T.; Tobias, J.