Vitamin A supplement: a guide to their use in the treatment and prevention of vitamin A deficiency and xerophthalmia
World Health Organization
- 2nd ed.
- Geneva World Health Organization 1997
- vi, 28 p.
92-4-154506-2
Ophthlmology
617.7 / WOR
92-4-154506-2
Ophthlmology
617.7 / WOR