Zhang, W., James, P. M., Ng, B. G., Li, X., Xia, B., Rong, J., Asif, G., Raymond, K., Jones, M. A., Hegde, M., Ju, T., Cummings, R. D., Clarkson, K., Wood, T., Boerkoel, C. F., Freeze, H. H., & He, M. (2016). a Novel N-Tetrasaccharide in Patients with Congenital Disorders of Glycosylation, Including Asparagine-Linked Glycosylation Protein 1, Phosphomannomutase 2, and Mannose Phosphate Isomerase Deficiencies. Clinical chemistry, 62, 208–217. http://access.bl.uk/ark:/81055/vdc_100117170867.0x00005d