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Marsden, Deborah, Kenneth Berger, Ans van der Ploeg, Laura Case, Christopher Dandrea, Priya Kishnani, and Edward Giannini. “66. Development of a disease severity scoring system for patients with Pompe disease.” In Molecular Genetics and Metabolism, 93:30–31. Elsevier BV, 2008. https://doi.org/10.1016/j.ymgme.2007.10.078.

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Marsden, Deborah, et al. “66. Development of a disease severity scoring system for patients with Pompe disease.” Molecular Genetics and Metabolism, vol. 93, no. 2, Elsevier BV, 2008, pp. 30–31. Crossref, doi:10.1016/j.ymgme.2007.10.078.

Marsden D, Berger K, van der Ploeg A, Case L, Dandrea C, Kishnani P, Giannini E. 66. Development of a disease severity scoring system for patients with Pompe disease. Molecular Genetics and Metabolism. Elsevier BV; 2008. p. 30–31.