Shanmugam, M. K., Sajja, S., Kowsalya, A., Balakrishnan, H. K., & Jayasri, K. N. (2022). Ethambutol induced toxic optic neuropathy - A retrospective study in a tertiary eye care centre in Southern India. Nepalese Journal of Ophthalmology, 14(2), 108–115. https://doi.org/10.3126/nepjoph.v14i2.42780