Jakubowska-Solarska, Beata, and Magdalena Nieśpiałowska. “Blood Serum Amino Acids Profile in Patients With Multiple Sclerosis”. Current Issues in Pharmacy and Medical Sciences, vol. 26, no. 1, Mar. 2013, pp. 50-53, https://doi.org/10.12923/j.2084-980X/26.1/a.10.