000 00365nam a2200133Ia 4500
100 _aSommer, Alfred
020 _a92 4 1544778 3
250 _a3rd ed
942 _cBK
245 _aVitamin a deflciency and its consequences : a field guide to detection and control
260 _aWorld health organization, Geneva
_c1995
082 _a612.399 Som
300 _avii,69
999 _c34845
_d34845