Threshold effect of urinary glycosaminoglycans and the walk test as indicators of disease progression in a survey of subjects with Mucopolysaccharidosis VI (Maroteaux-Lamy syndrome).

Stuart J. Swiedler, Michael Beck, Manal Bajbouj, Roberto Giugliani, Ida Schwartz, Paul Harmatz, James E. Wraith, Jane Roberts, David Ketteridge, John J. Hopwood, Nathalie Guffon, M. Clara Sa Miranda, Elisa Leao Teles, Kenneth I. Berger, Cheri Piscia-Nichols