Vitamin A deficiency in India.
[No authors listed]
ICCW News Bull. 1992 Apr-Jun;40(2):22-5.
Nutritional disorders affecting the peripheral cornea.
Powell SR, Schwab IR.
Int Ophthalmol Clin. 1986 Winter;26(4):137-46. doi: 10.1097/00004397-198602640-00013.
