how to cite this article: imanzadeh f. gastrointestinal symptoms in lysosmal disease. iran j child neurol autumn 2012; 6:4 (suppl. 1):17-18. pls see pdf.   references: 1. semenza  gl,  pyeritz  re.  respiratory complications of mucopolysaccharide storage disorders. medicine (baltimore) 1988; 67:209. 2.   wraith   je,   scarpa   m,   beck   m,   et   al. mucopolysaccharidosis type ii (hunter syn...