Mass spectrometry and two-dimensional electrophoresis in prenatal diagnosis of mucopolysaccharidosis type VI. - Aboulnasr, Aly A.; Gaber, Khaled R.; Abdel Sameea, Gamal; Gouda, Amr S.; Ibrahim, Mona M.; Shalabi, Taghreed A.; Elnouri, Amr (Egyptian Journal of Medical Human Genetics, 2022)