000 00294nam a2200097Ia 4500
100 _aWorld Health Organization
245 _aRequirements of Ascorbic Acid Vitamin D Vitamin B12 Folate and iron Report No 452
260 _bW H O, Geneva
082 _aL:4:6,N70t/N70/B08661
300 _app 75; 24*16
999 _c10495
_d10495