Vitamin A deficiency and corneal ulceration in south-east Nepal: implications for preventing blindness in children.

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Hennig, A., Foster, A., Shrestha, S. P. & Pokhrel, R. P. (1991). Vitamin A deficiency and corneal ulceration in south-east Nepal: implications for preventing blindness in children.. Bulletin of the World Health Organization, 69 (2), 235 - 239. World Health Organization. https://apps.who.int/iris/handle/10665/261297