Registry	Search terms
ClinicalTrials.gov	Search terms: enzyme replacement therapy OR laronidase OR Aldurazyme AND randomised Study type: Interventional Studies Condition: Mucopolysaccharidosis I OR hurler OR MPS I Phase: 3
WHO ICTRP	Condition: Mucopolysaccharidosis I OR hurler OR MPS I Intervention: enzyme replacement therapy OR laronidase OR Aldurazyme Recruitment status: ALL