1Hopwood,JJ,Morris CP.The mucopolysaccharidoses.diagnosis,molecular genetics and treatment,Mol Biol Med,1990,7:381-404.
2Nelson J,Broadhead D,Mossman J.Clinical findings in 12 patients for with MPS ⅣA(Morquio's disese),further evidence for heterogeneitypart I:clinical and biochemical findings.Clin Genet,1988,33:111-120.
3Giugliani R,Jackson M,Skinner SJ,et al.Progressive mental regression in siblings with Morquio disease type B Clin Genet,1987,32,313-325.
4Nelson J,Kinirons M.Clinical findings in 12 patients with MPSⅣA(Morquio's disease):further evidence for heterogeneity-part Ⅱ:Dental findings.Clin.Genet,1988,33,121-125.
