Harmatz, P., Ketteridge, D., Giugliani, R., Guffon, N., et al. (2005). Direct comparison of measures of endurance, mobility, and joint function during enzyme-replacement therapy of mucopolysaccharidosis VI (Maroteaux-Lamy syndrome): Results after 48 weeks in a phase 2 open-label clinical study of recombinant human N-acetylga. Pediatrics, 115(6), e681 - e689.