N. Narainswami, “Acute gastroenteritis and unilateral vision loss leading to a diagnosis of aquaporin-4-IgG seropositive neuromyelitis optica spectrum of disorders in a child: A case of atypical optic neuritis in the era of biomarkers”, S Afr Med J, vol. 114, no. 6, p. e1616, May 2024, doi: 10.7196/SAMJ.2024.v114i6.1616.