000 00536nam a2200193Ia 4500
008 220913s9999 xx 000 0 und d
041 _aeng
082 _a616.391 WHO
100 _aWorld Health Organization
245 _aVitamin A supplements: a guide to their use in the treatment and prevention of vitamin A deficiency and xerophthalmia
250 _a1
260 _aGeneva
_bWHO
_c1988
300 _a24p.
650 _aDiseases
700 _aIVACG Task Force
700 _aUNICEF
906 _a1988-89
999 _c177534
_d177534
773 _aB.Pharm